Daily Quiz (1312)


Waterjetting contractor Sabre Jetting Services has recently devised a method to remove what from concrete surfaces?


A __ paint was recently applied at the largest school system in South Texas, Northside Independent School District.


What is the minimum water pressure that constitutes ultra-high-pressure waterjetting?


A research team from the Indian Institute of Technology Madras recently developed technology that can improve what type of coating industry tool?


A research team from the Institute of Oceanology of the Chinese Academy of Sciences recently developed a new mechanical robust ___ coating that can be applied via spray coating.


For the first time ever, an aircraft operated by Swiss International Airlines was equipped with surface technology that replicates the flow-efficient properties of what?


True or False: The Environmental Protection Agency’s cleanup plan for groundwater at the Cosden Chemical Coatings Corporation Superfund site was officially approved.


Energy company Woodside reportedly developed equipment that performs ___, in response to COVID-related supply chain risks.


Viaducts along Central Park in Chicago have been water blasted after testing found high levels of what?


A private educational institution in Georgia recently installed what type of coating in its playground and basketball court?


The Millennium Tower has been approved for a reduced scope for stabilization, which changes the 52-pile design to __ piles.


Used by the U.S. Army Program in places where bridges aren’t available, the Improved Ribbon bridge is an example of what?


A farmer in Norfolk, England recently used what to whitewash the glass roofs of greenhouses?


German automobile factory and motorcycle manufacturer BMW is teaming up with global chemical company BASF to create a new sustainable paint made from what organic material?


Researchers from the Tokyo Institute of Technology are utilizing machine learning to design what type of films?


While construction is currently halted due to safety concerns, when finished, the estimated $1.1 billion Harbor Bridge will span ___ miles.


True or False: Repainting on a water tower in Perrysburg, Ohio, including stencil work and updated paint color, was completed in May.


Curtin University researchers are developing an artificial intelligence monitor to improve maintenance and prevent corrosion on what type of structure?


A needle gauge is used to check what process?


True or False: The 2022 JPCL Equipment Buying Guide lists equipment and related supplies for protective and marine coating work from more than 240 manufacturers, distributors and rental companies.


Which means of surface preparation was not studied in a recent JPCL article on the effectiveness of different surface prep methods?


True or False: A Pittsburgh-based company recently released an autonomous coating system that can apply coatings to commercial buildings.


The Wheeling ________ Bridge is undergoing repainting as part of an ongoing $17 million restoration project.


What is the non-abrasive cleaning method used where laser energy is focused and absorbed by the surface to produce favorable modifications?


True or False: Paint knife is another name for a draw down bar.


At the end of May, a mural artist in Florida was rescued from the ___________ he was working on after the motor on his lift equipment failed.


The second generation of Gema’s Dynamic Contour Detection system uses “smart” scanning technology to improve the process for what kind of spray coating?


Rotating flaps with hard metallic tips are components of what piece of surface preparation equipment?


True or False: 29 CFR 1910.146 is the OSHA standard that regulates work in permit-required confined spaces, including the use of plural-component spray application equipment.


The S.S. Badger, a ferry in Ludington, Michigan, was recently drydocked and repainted, using how many gallons of paint?


True or False: The SSPC-SP 3, Power Tool Cleaning, standard requires removal of all tightly adhering rust, mill scale and paint.


True or False: A mobile intelligent paint robot will be used to complete all painting work for a luxury high-rise residential project in Downtown Dubai.


True or False: The restoration of an historic mill building in Altoona, Pennsylvania, required lead paint removal.


True or False: The filing and mandatory testing requirements of imported paint and coatings in China has been revoked as a result of a recent order.


The U.S. Department of Labor’s Occupational Safety and Health Administration released a new fact sheet regarding the hazards related to the use of preservative coatings in ___________ processes.


SSPC-SP 13/NACE No. 6, “Surface Preparation of ________,” has led to a debate in the industry as to whether the document should be considered more of a guide than a standard.


The recently released Problematic and Unnecessary Materials Report identified __ plastic packaging items that are “not currently reusable, recyclable, or compostable at scale.”


The Building Performance Standards Coalition recently announced by President Joe Biden is a first-of-its kind partnership between __ state and local governments.


A planning law for two U.K. cities are calling for all new building construction for structures measuring five meters (16 feet) or higher to require the use of special bricks capable for providing nests for _____.


Approximately how many homes is New York’s first offshore wind farm, South Fork Wind, expected to power by 2023?


Last year, the National Building Museum launched the program series Climate ABC, which educates the public on the fact that the build environment is responsible for how much of worldwide carbon emissions?


In 2021, the Occupational Safety and Health Administration reached a settlement with companies that had been using blasting materials containing trace amounts of what?


True or False: Ground hazelnut shells can be used for abrasive blasting material as a less toxic option.


According to a recent Maintenance Tips article in JPCL, what is the temperature at which structural steel will lose half of its load-bearing strength in the event of a fire?


The October 2021 California oil spill incident resulted in at least ____ gallons of oil, or 3,000 barrels, to be released into the ocean.


Where is the Waterjet Technology Association headquartered?


Metalizing, or thermal spray was first introduced in the early 1900s by this Swiss inventor:


Google recently announced it was awarding $3 million in grants to build an open-source tool that does what?


The Intergovernmental Panel for Climate Change attributes at least 50% of rising sea levels since 1971 to what?


True or False: Research conducted at the University Toronto has found that a form of abrasive blasting could make fingerprinting more efficient.


What type of protection violations for workplace safety standards have been at the top of the safety violation list for the past decade, prompting the recent “Weekend Work” initiative in Colorado?


Industrial abrasives used today primarily include all except:


Researchers from the Massachusetts Institute of Technology Concrete Sustainability Hub studied how urban heat island effects can be intensified by an impermeable surface like a roadway, raising the air temperature by up to how many degrees?


If paint contains underlying rust, it will reflect what differently?


Featured in the July 2021 issued of JPCL, about how many gallons of paint were used for the coatings rehabilitation project at the Cowans Ford Hydroelectric Station in North Carolina?


True or false: Although the term “sandblasting” is still often used to describe abrasive blasting industry, sand contains free silica and due to its classification as a carcinogenic, is widely banned for blasting purposes.


The Norfolk Naval Shipyard’s Paint and Blasting Shop (Code 970, Shop 71) in Portsmouth, Virginia, recently received an equipment upgrade. What piece of equipment did Shop 71 receive?


A White Metal Blast, SSPC-SP 5, allows what to remain on the surface of steel after blast cleaning?


Despite the challenges of determining recover, reuse and recycle solutions, Ørsted recently reported that between ___% and ___% of a wind turbine can be recycled.


What special mixing equipment is required for zinc-rich paints?


The U.S. Department of Energy awarded computational materials design specialist QuesTek Innovations LLC (Evanston, Illinois) $1.1 million in Small Business Innovation Research Phase II funding for research in:


True or false: In May, the Occupational Safety and Health Administration and several companies that produce or use blasting materials containing trace amounts of beryllium were unable to reach a settlement regarding communications about the beryllium rules.


Which is considered highly abrasive?


What SSPC Guide covers field methods for determining levels of moisture in concrete and masonry walls and ceilings?


According to a recent JPCL article, which abrasive is most commonly used as a high-performance blast media for the cleaning of aluminum and fiberglass structures?


What type of survey is conducted when determining whether a bridge will require a total removal and replacement is needed?


What is slated to be the nation’s first large-scale offshore windfarm?


True or false: A recently published study linked paint-stripping chemical methylene chloride to less deaths than what has previously been acknowledged by the Environmental Protection Agency.


What year was the first abrasive blasting process patented?


According to a new study published in JAMA Internal Medicine, of the 85 deaths tied to paint-stripping chemical methylene chloride that researchers examined, what percentage of them took place in the workplace?


True or false: Upcoming preservation work on the southbound Stillaguamish River Bridge will require a full containment system.


In March, the Federal Energy Regulatory Commission completed its first-ever climate change review for the replacement of ___ miles of Northern Natural Gas Co.-owned natural gas pipeline that was built in the 1940s and 1950s.


There are more than ____ articles in the JPCL archives dealing with surface preparation.


True or False: The Federal Energy Regulatory Commission has completed multiple climate change reviews over the course of its history.


The U.S. Department of Labor’s Occupational Safety and Health Administration has announced the dates for this year’s National Stand-Down to Prevent Falls in Construction. The eighth annual event is slated to take place:


What is the name of a recently developed autonomous disruptive technology, designed to perform maintenance, inspections and repair on underwater infrastructure?


True or false: Before an employee uses any respirator with a negative or positive pressure tight-fitting facepiece, the employee must be fit tested with the same make, model, style and size of respirator that will be used.


Physiological monitoring platform Kenzen is testing out a new, wearable smart device to monitor the following except:


Traditional epoxy phenolic coating technology for CUI mitigation recommends a film thickness for each coat to be typically __ - __ mils.


An oxygen-deficient atmosphere is an atmosphere with an oxygen content below ___% by volume.


True or false: Any equipment used in an offshore platform “hot zone” must be ATEX-rated.


Researchers at the Swiss Federal Laboratories for Materials Science and Technology (Empa) are working on developing a coating that changes color when exposed to high temperatures through friction or fire. This technology is being developed for?


True or false: Hardness pencils are used in protective coatings work to measure of coating hardness as determined by the coating's resistance to scratching by pencil leads of known hardness.


True or false: Drainage planes were adopted in the 1990s to serve as a solution for moisture intrusion problems with EIFS cladding.


True or false: Experienced inspectors using pull-off adhesion methods find that 7-12% of pulls end up being invalid.


In a 50-year-old experiment involving an epoxy resin and steel reinforcements on concrete, researchers from the Swiss Federal Laboratories for Materials Science and Technology (Empa) found that the epoxy resin bonding showed no weaknesses, with under ___% of the average breaking load.


Officials from Seattle’s $930 million Climate Pledge Arena and Oak View Group recently submitted the project’s registration to the:


What cleaning technology are workers considering implementing for the restoration at the Notre Dame Cathedral?


Jerome Curran investigated pull-off strength when looking at polysiloxane alternatives to polyurethane systems used at:


What standard covers the determination of the pull-off strength of a coating or coating system, by determining the greatest perpendicular force (in tension) that a surface area can bear before a plug of material is detached?


What is the common name for a loading fixture that is secured to the coating surface with an adhesive in pull-off testing?


Ground corn cob, rice hulls, walnut shells and fruit pits are all examples of what type of abrasive?


True or false: According to an archived PaintSquare Press article, when using vacuums to reclaim abrasives, it is a rule to use the largest hose possible from the inlet of the vacuum to the vacuuming site.


True or false: SSPC-SP 5 (NACE No. 1) is used for Commercial Blast Cleaning.


True or false: The four SSPC/NACE joint waterjetting standards range from SSPC-SP WJ-1/NACE WJ-1 to SSPC-SP WJ-4/NACE WJ-4, with WJ-1 representing the lowest level of waterjetting and WJ-4 representing the most thorough level of waterjetting.


CUI is widely described as occurring in the temperature range of:


True or false: Stationary wheel blast machines can be used to clean concrete substrates.


True or false: SSPC: The Society for Protective Coatings offers a jointly issued standard on thermal spraying with the American Association of State Highway Transportation Officials and the National Steel Bridge Alliance.


According to SSPC’s Protective Coatings Glossary, the typical range for the peak-to-valley height of surface profile created on steel by Power-Tool Cleaning to Bare Metal or Abrasive-blast Cleaning is?


How many SSPC-NACE joint surface preparation standards are there for waterjetting?


What two associations created the 2011 Color Coding for High Pressure Hoses?


SSPC-SP 5 White Metal Blast Cleaning is equivalent to what NACE International standard?


What is the minimum water pressure that constitutes ultra-high-pressure waterjetting?


True or false: Thermal spraying is a group of processes where the thermal spray feedstock (aluminum, zinc or a combination of alloys developed in the form of a wire or powder) is heated, atomized and propelled by a conveying gas stream and deposited to form a thermal spray metallic coating (TSC) on the cleaned steel.


In the PaintSquare Press article, “I’m Taking Good Care of You,” what is the first solution Pittsburgh conservator Rhonda Wozniak uses in completing the annual cleaning of a bronze alloy statue?


What U.S. university was recently awarded a $1.8 million grant to develop a safer ladder?


True or false: New western cedar wood requires special surface preparation 1-2 weeks prior to coating applications?


Carl Reed, Kat Coronado and what other author published an article covering solutions for when a blast profile on a steel substrate is lower than the specification.


What SSPC Guide covers field methods for determining levels of moisture in concrete and masonry walls and ceilings?


True or false: Both metal-fume fever and white-metal fever are terms used to describe a condition where fumes generated from aluminum and other metals and their alloys during thermal spraying are unpleasant to smell and could cause flu-like symptoms for hours or days.


True or False: Localized galvanic corrosion at bolted connections is commonplace on rake mechanisms in gravity thickeners and clarifiers.


A recent “Thermal Spray Coating Application” standard was issued by what organization?


Which one of the following agricultural materials is not used for air abrasive blasting?


True or false: The typical range for the peak-to-valley height of surface profile created on steel by power-tool cleaning to bare metal or abrasive-blast cleaning is 2-6 mils.


What is the name of the noted waterjetting industry expert who differentiates between flash rust, which occurs on wetted steel, and rust back, which occurs on dry steel?


True or false: Both stationary and portable wheel blast machines are used to clean concrete substrates.


True or false: Use of high-temperature (250 F), pressurized water (>5000 psi) makes the most sense as the method to achieve total coating removal from brick with minimal substrate damage, according to a recent article.


What organization has a quantitative test method for measuring the surface profile of concrete.


A quality control device has the name Tator and one other name connected to it. What is the second name?


In an air abrasive blasting system, the blast hose ID should be at least how many times the size of the nozzle orifice to achieve productive blasting results?


Working at what height invokes OSHA's Construction Industry Fall Protection Standard?


Solvent cleaning is required before blasting to what degree of rigor?


True or false: A D+D article on assuring the quality of coating work on commercial buildings argues for spot inspections of each phase of cleaning, painting and paint-related work rather than having an inspector present continuously to monitor all phases of coating work.


True or false: NACE/SSPC, ICRI and ASTM all have standards or guidelines on surface preparation of concrete.


Ray Weaver, Joe Brandon and what other author published a report about the peak count of surface profile?


True or false: Typical ranges of electrostatic transfer efficiency are anywhere from 60-80%, depending on the target type and other factors, according to one estimate.


True or false: There are four ways that abrasive and water can be combined in a wet abrasive blast system.


Which of the following surface preparation methods for concrete produces the largest surface profile?


True or false: ASTM has developed a method for measuring and replicating concrete surface profile using replica putty.


True or false: There is a standard for determining if abrasive is contaminated with oil that involves putting abrasive in a clean glass jar with clean water, putting a lid on the jar and shaking it, and then checking for an oil film on the surface of the water or coloration or cloudiness of the water itself.


True or false: Abrasive-blast cleaned steel surfaces contain anodes but not cathodes.


True or false: SSPC-AB 3 is meant to be used as a standard for both newly manufactured abrasive media and recycled media.


What is a PATTI?


What color system or standard relies on instrumental measurement?


True or false: Siloxane sealers applied to concrete often have no measurable film thickness.


True or false: According to a JPCL article, three months is a good starting interval between calibrations of a magnetic dry film thickness gage.


True or false: The water resistance of coatings is tested with a condensing humidity cabinet.


True or false: Infrared radiation thermal imaging can be used to monitor coating application only if the coating being applied is thermosetting.


True or false: Statistical data from a recent study suggest that greater precision of DFT measurements can be obtained using the scanning method over the traditional SSPC-PA 2 method.


True or false: Regarding the profile on blast-cleaned steel, a shallow peak height with a dense peak density may be beneficial, versus a deep peak height as is often specified.


True or false: Polymer transition temperature is the term used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material.


True or false: Micaceous iron oxide pigment improves the barrier properties of a coating.


True or false: The recoat interval of a two-component coating is influenced by the ambient temperature.


True or false: OSHA allows the use of only an irritant or an odor for qualitative fit testing of half mask respirators.


True or false: The two types of dehumidification for coating projects are desiccant and refrigerant.


True or false: Slip resistance of wood-floor finishes is influenced most by the gloss level of the finish material.


True or false: Paint brush bristles derived from mongooses can hold more paint than those acquired from hogs.


Which of the following abrasives is not among those claimed by one JPCL author to produce low dust and to contain no heavy metals?


True or false: Abrasive blast workers are regularly exposed to noise in excess of 140 dBA.


True or false: Commercial Grade Power Tool Cleaning allows some staining on the surface; Power Tool Cleaning to Bare Metal does not allow stains.


How many courses does SSPC offer to train applicators to apply high and 100% solids coatings?


True or false: Plural-component spray equipment can typically handle material ratios from 1:1 to 10:1.


True or false: Both cementitious and fibrous spray-applied, fire-resistant materials can contain Portland cement binders.


True or false: According to a preliminary study, WUFI software does not appear to be of value in making judgments on the number of re-paints of single-wythe masonry walls before problems occur with the walls’ performance.


True or false: One specialist advises that during the COVID-19 pandemic, blast helmets, including cushion suspension systems, should be disinfected by submerging in a liquid that contains 2% bleach or other approved disinfecting liquids.


True or false: While there are laboratory tests for determining the wind-driven rain resistance of masonry walls, there are no practical field tests.


True or false: 25 micrometers is the minimum surface profile required to meet SSPC’s specification, Power Tool Cleaning to Bare Metal.


True or false: According to a D+D article, most SPF systems can be installed at substrate temperatures as high as 180 degrees Fahrenheit.


True or false: The Industrial Rope Access Trade Association has members in only 25 countries.


Which of the following SSPC blast cleaning standards is equivalent to the ISO 8501-1 standard, Sa2, Thorough Blast Cleaning?


True or false: SIPP is the acronym for a robotic spray process to reline pipeline interiors.


What is another name for bruising of concrete floor slabs during surface preparation?


True or false: An analysis of safety data sheets (SDS) for both polyurethane coatings and coatings classified as being non-isocyanate-containing revealed that there was no substantial difference between personal protective equipment requirements in the SDSs for the two types of coatings.


What organization publishes a guide specifically for measuring moisture content in concrete and masonry walls?


True or false: Another name for a portable stylus instrument is a profilometer.


How much time should normally elapse after placement of a concrete floor slab before aggressive dehumidification commences?


According to an occupational health specialist, respiratory protection plans are normally implemented properly and in accordance with the written plans.


True or false: Magnetic induction is the principle of operation of gages used to measure the thickness of thermal spray aluminum when the base material is carbon steel only.


True or false: The blasting abrasive olivene is derived from mineral deposits.


True or false: Breathing grade compressed air (Grade D, as specified by the Compressed Gas Association) must contain 23.5-25% of oxygen by volume.


What organization used a contact stylus profilometer to create a standard?


True or false: MPI describes and defines even levels of gloss.


True or false: Knowing the volume solids of a coating and the wet film thickness, you can calculate what the dry film thickness will be.


True or false: SSPC published a surface preparation standard, now discontinued, describing laser cleaning of steel.


True or false: Chief among byproduct abrasives used for blast cleaning are agricultural products.


True or false: Cure temperature is the term for the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material.


What is the name of the coatings exposure testing device that intensifies outdoor UV exposure by a factor of 10 to 12 and simulates South Florida nighttime exposure?


What is an acronym for one pneumatic adhesion tester?


True or false: According to NIOSH, the hierarchy of hazard controls considers administrative controls to be the least desirable among all the available control types.


Many coating manufacturers recommend what maximum relative humidity within a concrete slab before their flooring products are applied, according to a D+D article?


True or false: High volume, low pressure (HVLP) spraying has greater transfer efficiency than electrostatic spraying.


True or False: Testing standards for measuring dry film thickness of coatings (SSPC, IMO, ISO, and AS) are remarkably similar in their requirements for sampling and the number of measurements that have to be taken.


True or false: Sa2, Thorough Blast Cleaning, is the ISO blast standard that most closely resembles SSPC-SP 6, Commercial blast.


True or false: Dry ice pellets used as abrasive can produce a profile on steel.


True or false: Relative humidity sensors used to determine moisture content of concrete slabs require three days to provide accurate results after probes are inserted into a slab.


True or false: In North America, SSPC is not the sole publisher of hand- and power-tool cleaning standards.


True or false: The portable stylus instrument used to measure surface roughness of blast-cleaned steel is called a roughness gage.


True or false: Paint knife is another name for a draw down bar.


True or False: Power tools used on concrete to remove contaminants and create a profile are typically the impact type.


Examining the drip pattern from a burst of paint sprayed onto a vertical surface with an airless spray gun will reveal what possible problem?


Which of the following is an abrasive media used in a blasting system on delicate substrates?


True or false: A recently reported study on abrasive blasting media refutes the conclusions of Roper et al. by asserting that the peak density of surface profile is not as important as peak height in contributing to the performance of corrosion control coatings.


Burnishing, polishing and abrasive blasting are examples of what?


Where would you expect to find an air wash separator?


At what coating film thickness are high-voltage rather than low-voltage holiday detectors used?


The thickness of a coating is sometimes expressed in mils, sometimes in micrometers or microns. Which unit is thicker, 1 mil or 1 micron?


Corrosion of rebar is likely to cause which of the following conditions in concrete?


True or false: The plastic sheet method is a quantitative test for determining the extent of moisture in a concrete slab.


True or false: A wet blasting system requires water pressure to provide a cleaning force.


Rotating flaps with hard metallic tips are components of what piece of surface preparation equipment?


What is considered to be the main advantage of an HVLP spray system?


In coating work, what are fines?


Who has been chairman of ASTM Committee D1, Chair of the SSPC Surface Preparation Committee and president of SSPC?


True or false: Abrasive in a centrifugal wheel blast operation is never recycled and reused more than twice.


Which of the following terms is out of place in the list?


True or false: Rogue peaks are most likely to be created on steel substrates when the surface preparation abrasive is steel shot.


True or false: ICRI’s rubber replica chips indicates levels of cleanliness of concrete after surface preparation.


Which of the following is not a naturally occurring abrasive?


In addition to SSPC, what other organization has standards for measuring surface profile of blast-cleaned steel?


What are the levels of cleanliness of SSPC’s new abrasive blast cleaning standards for concrete substrates?


The “spreading rate of a coating to a completely flat surface, assuming no losses in handling” defines what term?


What is the name of the new US Green Building Council initiative announced in December 2019?


True or false: The ICRI concrete surface profile level with the greatest amplitude measures 0.25 inches.


True or false: SSPC-SP 5, "White Metal Blast Cleaning," allows 5% of the blast-cleaned surface to have stains of old paint, rust or mill scale.


True or false: One possible cause of dry spray when using airless equipment is excessive spray pressure.


True or false: A Schmidt hammer is an impact power tool.


True or false: A coating specialist writing in JPCL recommended a two-step surface preparation process for maintenance on FPSOs: waterjetting and water blasting followed by sponge blasting.


According to a concrete surface preparation specialist, how does moisture move through concrete?


What is the correct order of SSPC’s power tool cleaning standards in terms of rigor, going from least to most rigorous?


True or false: 450 mph is a typical particle speed for abrasive in an air abrasive blast system that utilizes a Venturi nozzle.


True or false: A synonym for “curing agent” is “hardener.”


What is the failure term for showing through of an underlying surface layer due to inadequate opacity of a paint film applied over it?


Who said that “Some estimates of the root cause for less than satisfactory concrete performance place up to 50% of the blame on design and construction errors"?


What coating consultant wrote a blog about the use of the “magic hammer” in detecting deficiencies of surface preparation?


What organization created a standard for measuring concrete surface profile with replica putty?


What substance was being discussed when a PaintSquare reader wrote the following: “Abrasive blasting creates inhalation hazards for the blaster as well anyone within the zone of influence no matter what kind of media you use"?


What do the terms “working mix” and “operating mix” refer to?


True or false: In certain exposure conditions, sealers and/or topcoats may be required over thermal spray coatings.


True or false: In coating work, a spark tester is used to check the flammability of coatings and linings.


True or false: Air barriers must be able to withstand greater pressures than vapor barriers can.


True or false: The U.S. test of protective materials on steel exposed to a rapid rise fire includes weathering exposure.


True or false: According to NIOSH, engineering controls include the use of personal protective equipment.


True or false: When installing flooring materials, commercial flooring contractors are not concerned about the level of fly ash in the concrete mix.


True or false: With respirator use during abrasive blasting, the approved air hose from the respirator manufacturer must be used.


True or false: There is only a visual method for determining the surface profile on a concrete substrate after surface preparation.


True or false: The Construction Specifications Institute offers a standard that gives durability grades of low, medium and high for paint systems in various environments and levels of surface preparation.


True or false: MPI 500 Series standards are designed especially to serve the AIA.


Who said “that the third-party inspection system is fundamentally flawed in that it creates an inherent atmosphere of adversity between the contractor and inspector, rather than one of collaboration"?


True or false: A moisture content of 15%, as measured by a moisture meter, is generally considered the upper limit for successful painting of wood.


True or false: Some instruments used to test moisture in concrete or masonry walls are based on the principle of electrical impedance.


True or false: WUSI is the name of software that can be used to calculate the hygrothermal behavior of multi-layer building components exposed to natural weathering.


True or false: SSPC’s wet abrasive blast cleaning standards describe three levels of flash rust following wet blast cleaning.


What happens to the existing profile on steel when UHP water blasting is used to remove rust and/or coatings?


True or false: In coating work the term "operating mix" refers to the proportioning of components in a plural component spray operation.


True or false: The breathing air of a supplied air respirator can be a potential inhalation hazard to abrasive blasters.


True or false: Aggressive application of dehumidification to dry a concrete floor slab should begin immediately after placement.


True or false: Although OSHA has authorized use of drones for inspections, the agency has not confirmed their actual use.


Which of the following organizations has standards for selecting and using concrete repair materials?


True or false: The adhesion of a coating to a steel substrate depends partially upon chemical bonding of the coating to the steel.


True or false: A destructive test for measuring humidity in concrete requires holes to be drilled into a floor slab to accept sleeves into which probes are inserted.


True or false: Conformance with specified requirements for cleanliness of steel after surface preparation, as described in SSPC standards, is carried out without the aid of instruments.


True or false: A special visual standard and guide has been developed to support SSPC-SP 17, Thorough Abrasive Blast Cleaning of Non-Ferrous Metals.


True or false: Particles of concrete dislodged from a concrete substrate by abrasive blasting do not pose any inhalation hazards.


True or false: Radio frequency technology is sometimes used in instruments for detection of moisture levels in concrete.


True or false: Breathing-grade compressed air (Grade D, as specified by the Compressed Gas Association) must contain at least 25% oxygen by volume.


True or false: You can measure the relative humidity adjacent to bridge steel as long as you are within 100 feet of the bridge.


True or false: Power tools can be used to burnish a steel surface and thereby to improve surface profile.


True or false: Recent technical developments have made dry ice blasting competitive with air abrasive blasting using conventional abrasive material, according to a PaintSquare writer.


In its degree of cleaning, SSPC-SP 14 sits between what other two SSPC blast cleaning standards?


True or false: The two types of dehumidifiers are desiccant and refrigerant.


True or false: Several methods can be used to minimize or prevent flash rusting after abrasive blast cleaning of steel.


True or false: Citric acid is not an environmentally benign material for etching concrete.


True or false: SSPC-SP 11, which requires a one-mil profile, is titled “Commercial Grade Power Tool Cleaning.”


True or false: The acronym CAS stands for both Chemical Abstract Service and Coating Application Specialist.


What organization publishes a maintenance repainting manual?


True or false: Wet abrasive blasting is best for total removal of coatings from brick without substrate damage and minimization of airborne dust, according to a D+D Online article.


True or false: Abrasive blast workers are not regularly exposed to noise in excess of 120 dBA.


The migration of asphalt from a roof to the surface of a white roof coating applied over it is called drift.


What coating specialist wrote a critique on PaintSquare of the ISO standard for assessing acceptable levels of dust on surfaces prepared for painting?


True or false: HUD publishes fire resistance ratings of archaic building materials.


True or false: The joint SSPC/NACE concrete surface preparation standard has not been revised since its issuance in 2003.


True or false: Bitrex can be used for respirator fit testing.


True or false: ICRI publishes the Guide for Concrete Slabs that Receive Moisture-Sensitive Flooring Materials.


What coating specialist said, “I don’t know how to calibrate a nose?”


True or false: A mechanical rubbing machine is used to test a coating for solvent resistance.


True or false: 3–6 mils is the typical range for the peak-to-valley height of surface profile created on steel by power-tool cleaning to bare metal and abrasive-blast cleaning.


True or false: For spot repair of coatings, the selection of abrasive blasting as the surface preparation method is questionable.


What dry film thickness range is necessary to achieve the best retention of solar reflectivity, according to a roof coating research study reported in D+D?


True or false: Scabbling, scarifying and rotomilling can bruise concrete.


True or false: Another name for a portable stylus instrument is a roughness gage.


True or false: The ISO surface preparation standard Sa 3 resembles SSPC-SP 5/NACE No. 1.


True or false: Epoxy novolacs are not good candidates for food processing facilities.


What causes solvent popping?


What organization has a chemical review status tracker?


True or false: The SSPC/NACE joint standard on surface preparation of concrete does not apply to masonry walls.


True or false: Of the four primary standards for measuring surface profile on blast-cleaned steel, two of them also address profile generated by power tools.


True or false: A small defect in a coating on steel reinforcement metal in concrete can cause rapid deterioration of the steel.


True or false: Not all the SSPC surface preparation standards are issued jointly with NACE.


What organization provides a method of identifying defects and failures of coatings, including a system to establish the degree of surface degradation to help determine proper surface preparation, level of priming and appropriate paint system?


True or false: 0.0254 mm = 10 mils.


True or false: A seal coat over thermal-sprayed zinc will perform better if application occurs before natural oxidation can form on the zinc.


What is one drawback of using low pressure water (less than 5,000 psi) at 250 F to remove coatings from brick?


True or false: While OSHA’s Construction Industry standards require that abrasive blasting respirators be worn during abrasive blasting operations, its General Industry standards do not have this requirement.


True or false: “Perm,” the unit of permeance, has the same value in metric and U.S. measures.


What term is used to denote “interconnected microcracks in concrete substrates caused by the use of high-impact, mechanical methods of concrete removal and surface preparation"?


Erosion resistance is the ability of a coating to withstand being worn away by what means?


What organization originally produced what is now called SSPC-VIS 1, “Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning"?


True or false: According to an industry expert, waterjet cleaning at 20,000 psi can remove thick elastomeric coatings at a production rate up to six times faster than traditional abrasive blasting.


True or false: In surface preparation operations, hackles are most likely to be formed on steel substrates when the blast abrasive is steel shot.


True or false: When a manufacturer claims that a microbicidal coating kills 99.9% of certain infectious bacteria, the coating must be tested and registered by the EPA.


True or false: If inorganic zinc-rich coatings are left untopcoated in atmospheric exposure, they become less porous over time.


True or false: Byproduct abrasives include nickel slag, copper slag, boiler slag and peach pits.


What organization publishes the document, “Standard Terminology for Paint, Related Coatings, Materials and Applications"?


True or false: The adhesion of a coating to a steel substrate depends entirely upon the chemical bonding of the coating to the steel.


True or false: Low-build coatings can meet the most rigorous air-barrier performance requirements of the International Code Council.


True or false: The qualifications of commercial painting contractors can be certified by SSPC.


True or false: In the construction of transmission towers, one of the durability-enhancing measures on structures for severe environments is to increase the film build of the zinc/iron and pure zinc layers during galvanizing and one method to reliably achieve this is by abrasive blasting the steel before galvanizing, says a JPCL author.


True or false: “Mechanical tooth” is a term used to describe the sharp points on a needle scaler power tool.


True or false: Mill scale is synonymous with corrosion scale.


True or false: Abrasive blasting of concrete substrates can produce silica sand inhalation hazards.


Wet storage stain applies to what substrate?


True or false: OSHA's Construction Industry Fall Protection Standard requiring controls for fall hazards is not invoked until work is conducted at a height of 10 feet or higher.


True or false: Air abrasive blasting with dry ice produces less debris that other air blast cleaning methods.


What degree of surface profile is required on concrete for the application of a penetrating sealer?


True or false: When low tensile forces, such as painters’ tape, are applied to paint over drywall with Level 4 and 5 finishes, the paint can sometimes fail due to field-thinning of joint compound.


True or false: All dust is dangerous to breathe and abrasive blasting, whether it is wet abrasive blasting or dry abrasive blasting, generates dust above the PEL recommended by NIOSH and enforced by OSHA, says a JPCL writer.


True or false: The joint SSPC/NACE standard on surface preparation of concrete lists numerous surface preparation methods together with the surface profile range achievable with each method.


What term is used to describe the implement that wets the abrasive as it exits the nozzle of a wet blast system?


What organization defines the gloss levels of paint as G1 through G7?


True or false: ICRI recommends 6 to 9 mils of profile in its surface preparation requirements for polymer overlays on concrete.


True or false: One expert says that in pressure washing, water volume, recommended at 6-8 gpm, is more significant than water pressure in assuring successful rinsing of coating and stripper residue from a masonry substrate, especially if the masonry substrate is sensitive to damage.


The first U.S. patent describing abrasive blasting was issued in what year?


True or false: In an air abrasive blasting system, the blast hose ID should be at least 3-4 times the size of the nozzle orifice to achieve productive blasting results.


True or false: SSPC and NACE issue joint standards on abrasive blast cleaning, water and wet blast cleaning, cleaning of concrete and power tool cleaning.


Who wrote the Paint Inspector’s Field Guide?


What type of cure is described as fusing of adjacent particles following water evaporation?


True or false: Acrylic coatings have been formulated for formaldehyde abatement.


What organization will kick-off its 2019 annual conference with the training course, Surface Preparation for Concrete and Steel?


True or false: A mil is one-millionth of an inch and equals 25.4 microns.


True or false: Olivine is an agricultural blasting abrasive derived from olive pits.


True or false: SSPC, ISO and Australian dry film thickness testing standards are remarkably similar to one another.


True or false: With electrostatic painting, waterborne coatings are conductive and tend to carry a charge that can cause issues with “grounding out” when they are sprayed.


True or false: Bristle blasting requires the use of metallic abrasives.


True or false: A White Metal Blast (SSPC-SP 5) allows no rust, no mill scale, no old paint and 5 percent stains to remain on a steel surface after cleaning.


True or false: A worker with tree nut allergies was apparently killed by inhaling walnut shell particles from an abrasive blasting operation.


True or false: There are differences of opinion among sealant manufacturers about how to prepare weathering steel surfaces for application of new sealant after old sealant is removed.


True or false: There is no published research to support the view that the peak count of surface profile after blast cleaning affects coating performance.


In protective coating work, a sieve analysis is used to determine the weight distribution of blasting abrasive.


The cliché about “location, location, location” being the three most important things in assessing the value of a house is mirrored by what similar phrase offered by a PaintSquare coating specialist on the three most important considerations in painting a bridge?


True or false: One of SSPC’s standards for hand-tool cleaning of steel before painting requires a surface profile.


True or false: A large public school system wanting to paint its buildings could specify SSPC-QP 8 in order to acquire an SSPC-certified contractor for the work.


True or false: The air abrasive blast method that produces the least debris uses dry ice as the abrasive.


True or false: One mil of surface profile is required on concrete to be treated with a siloxane sealer.


True or false: The relative ability of a roof surface to radiate absorbed heat is called solar reflectance.


What scale is sometimes used to rate the dust emissions from abrasive blasting operations?


True or false: Typical ranges of electrostatic transfer efficiency are anywhere from 85 to 95 percent, depending on the target type and other factors, according to an industry expert.


True or false: On concrete block, dry-film coating thickness can be measured with an ultrasonic thickness gage.


True or false: According to OSHA, inhalation hazards that can be derived from a concrete substrate when abrasive blasting include asbestos and silicates but not silica sand.


True or false: A portable centrifugal wheel blast machine typically uses steel grit abrasive to clean and profile concrete floors.


Tuesday: True or false: SSPC-SP 18 is often specified for the surface preparation of newly galvanized steel.


True or false: Light etching to produce a surface profile is required on concrete before it is treated with a siloxane sealer.


True or false: Abrasive blast cleaning workers are regularly exposed to noise in excess of 120 dBA.


True or false: Infrared curing of coatings can have a lower operating cost than convection curing.


True or false: Fred Goodwin says that “crazing” is the term used to describe the creation of microcracks in a concrete substrate after surface preparation by impact, pulverizing or other mechanical surface preparation methods.


True or false: One paint consultant advocates for the use of a hammer to check for compliance with SSPC-SP 6 after the paint has been applied.


True or false: Sodium bicarbonate can be used in both wet blast and dry blast operations.


True or false: OSHA requires the use of personal protective equipment before an employer can use administrative or engineering controls to eliminate or reduce the workplace hazard of contaminated air.


How is a water ring used?


True or false: Testing blasting abrasive by placing it in a clean glass jar containing clean water and shaking the jar with the lid on is a test for salt contamination.


True or false: One expert says that the water volume is more significant than the water pressure in achieving success when a pressure washer is used to rinse off coating and stripper residue after coatings are exposed to chemical strippers for the appropriate time on masonry substrates.


True or false: In an air abrasive blast system that utilizes a venturi nozzle, a typical particle speed is 450 mph.


True or false: According to one PaintSquare blogger, dry ice can leave a surface profile.


What is the name of the abrasive blast nozzle with internal restriction at the center to increase abrasive speed and produce a more uniform blast pattern?


What is the consensus among coating specialists about the percentage of deterioration that is acceptable at a one-year warranty inspection of water tank linings before a contractor must repair the coating job?


When assessing the moisture content of wood with an electronic moisture meter, what moisture level is generally considered the upper limit for successful painting?


True or false: In a laboratory study of marine-environment performance of zinc-rich primers, applied over surface preparation by UHP waterjetting, the primers achieved performance equivalent to, or better than, that achieved over surface preparation by abrasive blasting.


True or false: According to a write-up on PaintSquare, failure to ensure that Grade D breathing air is supplying a blast hood is the top failing in implementing a respiratory protection plan.


True or false: Hypodermic pressure gauges are used to check abrasive flow rates in a blast hose.


True or false: Manufacturers of supplied air respirators must acquire approval for these products from the Occupational Safety and Health Administration.


True or false: Air and airless spray produce about the same amount of overspray.


True or false: The adhesion of a coating to a steel substrate depends entirely upon the mechanical attachment or hooking of the coating to the profile of the steel.


A prominent PaintSquare blogger blames inadequate surface preparation for what percentage of coating failures?


According to a Durability + Design Sponsored Content article, descriptions of finishes and gloss levels can vary significantly among different manufacturers.


True or false: Dry film thickness measurement standards used around the world are quite similar to one another.


True or false: A research study by Roper, Weaver and Brandon indicated that the number of peaks in a steel surface profile created by abrasive blasting has an effect on performance of coatings applied to the steel.


True or false: It is harder to remove coal tar epoxy than coal tar enamel from a steel substrate.


True or false: The SSPC standard for hand-tool cleaning of steel before painting does not requires a surface profile.


True or false: For a supplied-air respirator, OSHA requires Grade D air with an oxygen content of 19.5 to 23.5 percent.


SSPC-SP 10, Near White Metal Blast Cleaning, allows stains of rust, stains of mill scale, or stains from previous coatings to remain on what percent of a blast-cleaned surface?


True or false: In North America, there are three hand- and power-tool cleaning standards.


True or false: According to a Durability + Design “Solve It” answer, solvent is not useful for removing graffiti from the historic stone masonry on a church.


Who said: “It is widely held that 60 to 85 percent of all premature coating failures can be attributed directly to inadequate surface preparation"?


True or false: ASTM has a quantitative test method for evaluating the adhesion of a coating by cutting and probing it with a utility knife.


True or false: SSPC’s specification for the application of thermal spray coatings is issued jointly with NACE and the Zinc Institute.


True or false: When you have an execessively deep surface profile and you re-blast clean the surface with a smaller abrasive, you can reduce the surface profile, but your peak count and peak density suffer considerably, compared to using the “correctly sized” abrasive from the start, according to research reported in PaintSquare Daily News.


What is another name for the coating failure term “bleeding"?


What organization has two standards for measuring surface profile?


What paint application method produces the most overspray?


True or false: At very high temperatures (higher than 90 degrees Fahrenheit), the top of applied coatings may skin over or cure too quickly, trapping air or solvent bubbles.


In paint application by conventional air spraying, what causes dry spray?


True or false: In spray-applying zinc-rich paints, the zinc dust particles will not separate from the binder once they have been mixed together thoroughly.


True or false: The American Concrete Institute publishes a guide for selecting concrete repair materials.


According to a surface preparation study reported in JPCL, abrasive size was not found to be a primary driver in the resultant surface profile depth and peak density of blasted steel surfaces.


True or false: When the relative humidity is high, curing times for waterborne coatings will be shorter than what is stated as normal on the application data sheet.


True or false: OSHA recently announced the awarding of funds to the Finishing Trades Institute, Mid-Atlantic Region, for fall-protection training for 300 youth and apprentices in the finishing trades.


True or false: Zinc-rich coatings do not work well in protecting steel substrates in predominantly wet, highly alkaline exposure environments.


True or false: In surface preparation work, the term “fines” is often used to denote blasting abrasive residue that has been broken down into a powder.


True or false: Marmorino, a veneer decorative plaster, is not recommended for humid environments such as bathrooms.


True or false: The Brierly Method is the name for measuring soluble salt conductivity on steel before painting by applying a special patch to the substrate, injecting deionized water beneath it and then extracting the water to assess its conductivity.


True or false: HVLP spraying is used to apply thermoplastic powder.


Which of the following objects can be used to check the soundness of concrete before the application of a thick-film coating?


True or false: The more friable an abrasive, the greater the tendency for the abrasive to break down upon impact.


True or false: Venturi blast nozzles create a narrower blast pattern than straight bore nozzles.


True or false: The SSPC Visual Standard photos in SSPC-VIS 6 show steel cleaned by UHP water jetting.


True or false: According to Clive Hare, the threat of mudcracking in thick, heavily pigmented coatings is more likely with platey than with spherical pigments.


True or false: NACE publishes a standard that gives durability grades of low, medium and high for paint systems in various environments and levels of surface preparation.


If you need to answer a question about the surface profile requirements for blasted surfaces on a job, what document would you consult?


When abrasive is recycled without sufficient new abrasive being added to the operating mix, what happens to the surface profile of steel being cleaned?


True or false: One inspector’s guide says that ground egg shells are used as a blasting abrasive.


True or false: Olivine is classified as an agricultural blasting abrasive.


True or false: The surface preparation standards for the most thorough level of blast cleaning are SSPC-SP 5, NACE No. 3 and ISO Sa 1.


Researchers in Australia recently published a paper on advances in robotic abrasive blast cleaning. What was the main subject of the paper?


True or false: Eddy current gages are used to measure dry film thickness of coatings on concrete.


True or false: SSPC has a test method for determining the size of abrasives.


Which method of blasting produces the least blast debris, presuming the same substrate in the same condition is being cleaned by each method?


True or false: UHP technology has been modified to create specialized firefighting equipment.


True or false: When brush-off abrasive blast cleaning is used to prepare architectural aluminum for recoating, the blast pressure should be the same as the pressure used for brush-off blast cleaning of carbon steel.


Which one of the following agricultural materials is typically not used to create abrasives for blasting?


True or false: There is no quantitative test method for measuring the surface profile of concrete.


Among the surface preparation methods below, which makes the most sense for removing coatings from brick while minimizing substrate damage and airborne dust?


True or false: An EPA study in 2016 showed that 83 percent of underground storage tanks containing diesel fuel showed moderate to severe corrosion.


What term describes the degree of drying of paint “when no loosening, detachment, wrinkling or other distortion of the film occurs when the thumb is borne downward while simultaneously turning the thumb through an angle of 90 degrees in the plane of the film ... and maximum pressure is exerted by the arm”?


True or false: According to NIOSH, hearing loss is the most common work-related injury in the construction industry.


True or false: Only abrasive blast-cleaning standards from SSPC require a surface profile on steel.


True or false: SSPC-VIS 1, Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning, was derived from the visual standards of the Institute of Corrosion in the UK.


True or false: A bristle blaster is another term for a roto peen power tool.


True or false: The peak-to-valley height of the surface profile on steel created by abrasive blasting or power tool cleaning typically ranges from 1 to 8 mils.


True or false: What organization defines seven levels of gloss?


SSPC classifies non-metallic abrasive into three kinds, two of which are mineral and slag and other by-products. What is the third class?


True or false: In its recently revised SSPC-PA 7, Applying Thin Film Coatings to Concrete, “thin film” is defined as being 10 mils thick or less.


Which of the following is not the subject of an SSPC Qualification Procedure for application contractors?


True or false: SSPC power tool cleaning standards are issued jointly with NACE International.


True or false: “Angle of attack” in coating work applies to the pattern of application of thermal spray materials.


What organization recently issued a publication that offers guidance on where and how frequently to test for salts on steel that is either previously uncoated or was shop-coated and requires further coating in the field?


True or false: A wet blast system always uses water pressure as the cleaning force.


True or false: Of the 10 OSHA violations cited most often in 2017, four involved climbing, rigging and fall protection.


True or false: Both hogs and badgers produce material used in paint brushes.


True or false: There are no gages for field use that can accurately judge the dry-film thickness of coatings on steel edges.


True or false: A PaintSquare blogger recently wrote the following: "Strong adhesion is the key to coating performance and long life.”


What was the first organization to initiate painter competitions, in which teams of three painters competed against one another in demonstrating their craft by coating a large steel panel with attached angles and pipe sections?


True or false: When assessing the moisture content of wood with an electronic moisture meter, a moisture level of 30 percent is generally considered the upper limit for successful painting.


True or false: ASTM has a test method for measuring the surface profile of concrete.


How long can bare wood be exposed to the outdoor atmosphere before it requires special surface preparation, according to the USDA Forest Products Laboratory (FPL)?


True or false: Flame spraying, metallizing and plasma spraying are all forms of thermal spraying.


True or false: Polar solvents can be used to make paint sufficiently conductive for electrostatic spraying.


A needle gauge is used to check what process?


True or false: Standards for surface preparation of steel require solvent cleaning only after abrasive blasting.


True or false: Waterjetting is another name for power washing.


True or false: Coal slag abrasive is mainly aluminum silicate.


True or false: In a recent article, Lydia Frenzel said that both the waterjetting industry and the paint and coatings industry have been very supportive of waterjetting as a surface preparation activity.


True or false: The SSPC standard for ferrous metal abrasive is intended to be used for both new and recycled abrasive.


True or false: Size used on plaster and metal has the same composition.


What method was used to remove more recent coatings and reveal the original finish in the living room of a major historic residence in New England?


True or false: Aluminum oxide and garnet are sometimes recommended as appropriate abrasives for blast cleaning stainless steel.


What term is defined as the percentage of coating solids actually applied to the substrate by spray application?


True or false: According to protective coating specialist Lee Wilson, increasing topcoat thickness when intermediate coat thickness is too low in order to achieve the specified total system thickness is not acceptable as good painting practice.


True or false: A Schmidt hammer is a rotary impact scarifier.


What organization does not produce standards for the surface preparation of concrete?


Which of the following entities has filed a lawsuit against OSHA over the issuance of its beryllium rule?


True or false: ISO offers a standard that gives durability grades of low, medium and high for paint systems in various environments and levels of surface preparation.


True or false: Most coating specialists say that stripe coating the edges of steel substrates is necessary even when edge-retention primers are used.


True or false: Thermoplastic powder can be applied by thermal spray.


Which one of the following agricultural materials is typically not used to create abrasives for blasting?


True or false: ASTM D3359, “Standard Test Method for Measuring Adhesion by Tape Test,” measures the shear adhesion of a coating.


True or false: In judging the conformance of abrasive blast cleaning of steel with SSPC standards, such as SSPC-SP 10, the photos in SSPC-VIS 1 depicting levels of cleanliness take precedence over the written descriptions of required levels of cleanliness.


True or false: Another name for aluminum silicate abrasive is coal slag.


What organization offers training and certification as a thermal spray coatings inspector?


True or false: Acid etching does not produce a surface profile on concrete.


True or false: OSHA’s Construction Industry Fall Protection Standard is invoked when a worker operates at a height of 10 feet or greater.


True or false: As abrasives for blast cleaning, glass beads are classified as byproduct abrasives.


True or false: A surface layer of concrete weakened by interconnected microcracks is called laitance.


True or false: Opacity observations of dust emissions from blasting operations are sometimes reported using the Smoke Density Scale.


True or false: Whether you are wet blasting or dry blasting, you must use a Type CE supplied-air respirator.


True or false: When a concrete floor slab is scarified in preparation for coating, bruising of the surface is not likely.


True or false: One way to remove graffiti from a stone wall without damaging the stone is to use high-pressure washing with hot water, according to a D+D “Solve It” answer.


What organizations participated with SSPC in a joint task force that addressed corrosion control planning?


How do you list these SSPC blast cleaning standards in order of the degree of rigor, from most to least rigorous?


True or false: The minimum surface profile required to meet SSPC’s specification, "Power Tool Cleaning to Bare Metal," is 1.5 mils.


A chain, a golf ball and a hammer can all be used to check for what condition, according to the “Solve It” forum in Durability + Design News?


True or false: SSPC-AB 3 is meant to be used as a standard for both newly manufactured abrasive media and recycled media.


True or false: An ultrasonic dry film thickness gage can measure dry film coating thickness only on cementitious substrates.


True or false: Replica putty can can be used to create a quantitative method for measuring the surface profile on concrete.


True or false: NFPA 33, the Standard for Spray Application Using Flammable or Combustible Materials, does not provide ventilation guidelines for containment structures used on bridges during painting operations.


True or false: A recent JPCL writer asserted that more than 75 percent of coating failure cases are due to poor or incorrect surface preparation.


What organization offers a standard that gives durability grades of low, medium and high for paint systems in various environments and levels of surface preparation?


In abrasive blasting work, how small do dust particles have to be to make them respirable and therefore dangerous to health?


True or false: Some departments of transportation and other owners continue to list design containment ventilation air flow rates of 60 fpm down-draft and 100 fpm cross-draft in their specifications.


What kind of binder is used with thermal spray aluminum?


True or false: Spidering is the name given to the creation of microcracks in a concrete surface through use of impact, pulverizing or other mechanical surface preparation methods.


True or false: Marmorino, a veneer decorative plaster, is not recommended for humid environments such as bathrooms.


True or false: The knife test used to determine the adhesion of coatings can be performed only in the laboratory.


True or false: Conventional air spray application of coatings causes more overspray than airless spray.


True or false: Replacement parts for air-supplied respirators, if they are not from the original manufacturer, must be approved by NIOSH.


True or false: According to a PaintSquare News account of research on reducing excessive blast profile by re-blasting with a smaller abrasive, there is no adverse effect on peak count and peak density from this corrective action.


True or False: Silica sand and coal slag abrasive with the same particle size distribution will produce the same profile depth ranges on blast-cleaned steel.


True or false: SSPC/NACE standards on surface preparation by waterjetting are now published on five levels of cleanliness.


True or false: “One of the most prominent disadvantages found with dry abrasive blasting is that the blasting process can press contaminants into the surface,” according to PaintSquare blogger Warren Brand.


True or false: Respirable hazardous materials may be produced in some thermal spraying operations.


True or false: Service centers for steel rail tank cars are not well suited to conducting repairs on interior linings, according to a JPCL article.


True or false: A recent JPCL article reported results of a study indicating that inadequate surface preparation accounts for more than 75 percent of coating failures, while other studies indicate that inadequate engineering and specifying account for as much as half of coating failures.


True or false: Corn cobs are sometimes used to create abrasive for blast cleaning.


What is another name for induction time?


What type of blasting abrasive consists mainly of aluminum silicate?


What type of surface preparation is most likely to clean a metal surface but leave contaminants in pits?


True or false: Visual standard photos are an integral part of ISO hand- and power-tool cleaning standards, and the written standards recommend that use of the visual standards be made mandatory in the project specification.


True or false: A drawdown bar is used to apply wallpaper.


True or false: SSPC publishes four standards for waterjetting and four standards for wet abrasive blasting.


According to a Durability + Design article on the subject, to totally remove coatings from brick and at the same time to minimize substrate damage and avoid generation of airborne dust, which of the following surface preparation methods makes the most sense?


True or false: In ASTM’s standard on test methods for field measurement of surface profile, the use of a comparator is described.


Respirators must be approved by what agency?


True or False: According to NIOSH, use of personal protective equipment is the least desirable in the hierarchy of hazard controls.


True or false: Photographic standards from the International Concrete Repair Institute (ICRI) can be used to judge the degree of surface profile on concrete.


True or false: Tack-free and dry-to-touch times after coating application are not the same.


Concrete can be bruised by what surface preparation method?


True or false: SSPC does not have a standard for hand-tool cleaning of steel that requires a surface profile.


In a recent D+D In Depth article, what name is given to coatings that do one or more of the following: work to maintain surface quality, provide signals about a surface condition, change sensory perception of the surrounding environment or interact with or change the surrounding environment?


A contact stylus profilometer was used to create what standard?


True or false: According to a recent JPCL article, freshly applied thermal spray aluminum is close in appearance to steel newly blasted to white metal.


True or false: Soluble salts on blast-cleaned steel are an example of deleterious non-visible contaminants.


True or false: In a sieve analysis of abrasives, the sieve number describes the number of openings in a linear inch of sieve mesh.


According to many coating manufacturers, what is the recommended upper limit of moisture content in a wood substrate before it can be painted?


True or false: Unheated material introduced into a plural component spray system can shock the system, creating cold patches in the pumps and hoses and potentially throwing the system off ratio.


How do SSPC wet abrasive blasting standards determine the degree of flash rusting after wet abrasive blasting?


True or false: Non-woven abrasive pads are a form of coated abrasive.


True or false: Use of some solvents to remove graffiti from masonry can be counter-productive.


When one coating specialist wrote in a JPCL article, “I do not advocate the specification of 'sniff tests' because I don’t know how to calibrate a nose,” he was discussing what coating failure phenomenon?


What type of respiratory protection is required for air abrasive blasting?


True or false: A European coating supplier has bristle blasting standards that are said to be equivalent to power tool cleaning standards.


True or false: Use of replica putty, as described in an ASTM standard, provides only a visual assessment of surface profile on concrete.


True or false: EPA has recently proposed to prohibit the manufacture (including import), processing and distribution in commerce of the paint strippers methylene chloride and N-methylpyrrolidone.


In its degree of cleaning, SSPC-SP 14 sits between what other two SSPC blast cleaning standards?


True or false: SSPC has a surface preparation standard for flame cleaning of new steel.


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or false: A Maryland State Highway Administration study of coatings’ field performance confirmed that two-coat bridge painting systems are more cost-effective than the standard three-coat, zinc-epoxy-urethane system.


True or false: A conductivity meter is normally used to check for oil contaminants on blast abrasives.


According to ASTM terminology, what is the name given to the problem caused by the greater shear of a brush used around the perimeter of a wall or ceiling compared to the lower shear of a roller used on the rest of the wall or ceiling?


In what SSPC standard can you find requirements for frequency and location of instrument readings and evaluation criteria to ensure that the surface profile over the entire prepared surface complies with project requirements are included?


True or false: When UHP is used to describe water jetting for surface preparation, it stands for “Upper High Pressure.”


True or false: The standards for testing coatings adhesion, ASTM D4541 for metal and ASTM D7234 for concrete, are based on imposing a shear stress on the coating.


True or false: SSPC-SP 11, Bare Metal Power Tool Cleaning, requires Method C, replica tape, of ASTM D4417 to be used to measure the surface profile after cleaning.


True or false: ASTM has a test method for determining if an abrasive is contaminated with oil.


According to a Durability + Design article, to achieve total coating removal from brick with minimal substrate damage and no airborne dust generation, what removal method makes the most sense?


True or false: Among SSPC power tool cleaning standards, only SSPC-SP 11, Power Tool Cleaning to Bare Metal, requires a surface profile.


True or false: Conformance with specified requirements for cleanliness of steel after surface preparation, as described in SSPC standards, is carried out without the aid of instruments.


True or false: Wet adhesion is the ability of a dry coating to adhere to a substrate under wet conditions such as immersion or high humidity.


What is a typical speed that abrasive reaches after leaving the nozzle in an air abrasive blast-cleaning system?


What is the name used for the period of time when a coating remains workable as it is applied to smooth the film and avoid excessive build at laps.


True or false: Descaling is the removal of mill scale by either mechanical or chemical means.


According to ASTM, what application method produces edge-tracking?


True or false: SSPC has a standard for hand-tool cleaning of steel before painting that requires a surface profile.


Which one of the following agricultural materials is typically not used to create abrasives for blasting?


True or false: A recently published study in JPCL determined that wet surface preparation methods are less effective and result in higher remaining chloride levels than dry methods when cleaning corroded, chloride-contaminated steel surfaces.


According to the National Institute of Occupational Safety and Health (NIOSH), the hierarchy of hazard controls considers which one of the following to be the least desirable?


The first mammal cloned from an adult somatic cell, using the process of nuclear transfer, has the same name as an implement used in quality control testing of coatings. What is it?


A White Metal Blast, SSPC-SP 5, allows what to remain on the surface after blast cleaning?


True or false: sodium bicarbonate is sometimes used as an abrasive in a blast-cleaning system.


True or false: Hackles are protrusions on a coated surface created by abrasive or other particles not removed before the coating was applied.


What is an alternative to hot potting?


True or false: SSPC photos in Vis 1 showing degrees of cleaning of steel take precedence over the descriptions of required cleanliness in SSPC's written surface preparation standards.


True or false: Abrasive blast workers are regularly exposed to noise levels of 90-100 decibels.


Where are centrifugal wheels used in coatings work?


In coating work, how is a portable stylus instrument used?


Which of the following machines would be used to measure the coefficient of friction of a polished concrete floor?


True or false: In a laboratory study of zinc-rich primers for marine environments, recently reported in JPCL, coatings applied over surface preparation by UHP waterjetting, even though it produced no roughness, achieved performance equivalent to, or better than, that achieved by abrasive blasting.


In a study of shop-applied topcoats reported in JPCL, which generic type achieved a hardened film that resisted handling damage at lower temperatures (50 degrees Fahrenheit) and higher humidity (75 percent RH) in the shortest amount of time?


Which of the following surface preparation methods produces the lowest surface profile range on concrete, according to ICRI 310.2?


True or false: In measurements of coating thickness, it takes 25.4 mils to make one micron.


True or false: If inorganic zinc-rich coatings are left untopcoated in atmospheric exposure, they become more porous over time.


How many of SSPC's surface preparation standards describe the results of power tool cleaning of steel?


True or false: When using steel abrasive for blast cleaning, the initial condition of steel has no effect on the end condition after cleaning.


True or false: SSPC has a quantitative method for measuring the surface profile of concrete.


True or false: In addition to issuance of joint standards on air abrasive blast cleaning, SSPC and NACE issue other kinds of joint surface preparations standards.


What is the name of the instrument that allows the use of tactile and visual comparisons to determine the profile of blast-cleaned steel?


True or false: Some intumescent coating types may require up to five coats and 25 days from initial application to completion of the finish coat at 50 degrees Fahrenheit.


True or false: According to the Concrete Polishing Council of the American Society of Concrete Contractors, the grinding stage of the concrete polishing process is carried out with bonded abrasive of 100 grit or lower.


What is the subject of the latest joint publication of a standard by SSPC and NACE?


What are rogue peaks?


True or false: Cast steel grit abrasive is produced by crushing steel shot.


When dust particles escape a containment structure during abrasive blasting, what are they likely to be called?


True or false: CICP (Complex Inorganic Color Pigments) combines extremely durable colorfastness with IR-reflective capability but cannot produce vivid colors.


According to the Concrete Polishing Council of the American Society of Concrete Contractors, how many abrasive passes are required to achieve Level 4 finished gloss, "Highly Polished"?


In protective coatings work the word “embedment” refers to what, according to SSPC?


True or false: Centrifugal wheel blasting, sometimes called “shotblasting,” can be both portable and stationary.


True or false: A wet blasting system requires water pressure to provide a cleaning force.


True or false: Rubber replica templates from the Portland Cement Association can be used to judge the degree of profile on concrete substrates after surface preparation.


True or false: SSPC-SP 13 describes the commercial power tool cleaning of steel.


Where is silica found in the coatings industry?


In abrasive blasting work, how small do dust particles have to be to make them respirable?


What is the name of the term used to denote the failure of solvent to completely evaporate from a paint film due to inadequate drying conditions and/or recoating too soon?


Which of the following is a test used to evaluate and select internal linings for vessels and tanks?


True or false: Amine blush on an epoxy can be readily painted over without fear of failure.


What is the acronym for Japanese surface preparation standards?


What is the name of a machine used to measure the coefficient of friction of polish-coated floors?


True or false: Abrasive blast workers are regularly exposed to noise in excess of 120 dBA.


The standard ISO8501, the international standard for dry abrasive blasting, describes results of four degrees of blast cleaning, Sa 1, Sa 2, Sa 21/2 and Sa 3. What does the Sa stand for, according to a PaintSquare blog?


Which of the following ISO 8501-1 standards is equivalent to SSPC-SP 6, Commercial Blast?


SSPC publishes visual standards for what cleaning method?


True or false: A D+D In Depth article argues that the risks of moisture-related, single-wythe CMU wall problems based on the initial selection of the coating and number of repaints cannot be predicted.


True or false: When a cold-weather coating is used to coat steel in temperatures below freezing, it is not necessary for the surface temperature of the steel to be at least 5 degrees Fahrenheit above the dew point temperature.


True or false: Microcracking of concrete due to mechanical surface preparation methods is sometimes called spidering.


True or false: Wet film thickness gages are inadequate for measuring thickness of fast-set polyurea coatings.


What organization is developing a guide for assessment of pinholes in coatings?


True or false: Use of a digital profile gage according to ASTM 4417-14 requires each area to receive 10 profile readings, and the highest measurement is recorded as the profile of the area being measured.


True or false: According to a JPCL article on achieving peak performance from abrasives, the easiest way to adjust profile height in the field is by changing the velocity of the abrasive.


True or false: An SSPC guide document states that dye color from lubricants remaining on the galvanized nuts of bolted bridge connections after required cleaning or weathering is not believed to be detrimental to coatings applied over it.


True or false: In an air abrasive blasting operation, if you change from a sand abrasive with a specific gravity of 2 to a garnet abrasive with a specific gravity of 4, you should expect an increase in cleaning rate.


True or false: Fluoropolymer coatings based on FEVE resins tend to achieve lower gloss levels than gloss levels achieved by fluoropolymers with PVDF resins, according to a recent D+D In Depth article.


True or false: During abrasive blasting operations inside containment in cold weather, dust collection may pull heat out of the containment structure as fast as it is being put in by heating equipment.


True or false: A Durability + Design article says that wet abrasive blasting is the best method for totally removing coatings from brick while at the same time minimizing substrate damage and airborne dust.


What is the name of the test instrument used to determine a coating’s resistance to fading through accelerated exposure to light?


What kind of blasting abrasive is composed of aluminum silicate?


True or false: According to a recent D+D In Depth article, sealers and thin-film floor coatings typically require a profile in the CSP 3-5 range.


What is a vernacular term for a wet film thickness gage?


The presence of water in new versions of wet abrasive blasting systems increases abrasive breakdown rates, according to a recent JPCL article.


A drawdown bar and a dolly have what in common?


Recommendations in SSPC-Guide 12 on lighting of industrial coating projects, formerly derived from the now defunct ANSI/IES, Practice for Industrial Lighting, have been replaced with recommendations from what state’s specification on bridge construction?


What organization offers a one-day course on “Exterior Wall Quality Assurance”?


True or false: According to a D+D article, most SPF systems can be installed at substrate temperatures from 30 degrees to 180 degrees Fahrenheit.


What is the name for an abrasive’s resistance to breakdown on impact?


True or false: The photographic guides developed by SSPC to aid in the assessment of surface cleanliness were designed to be used with a hand-held magnifying glass when examining blast-cleaned steel and comparing it with the VIS-1 photos?


Where would you find sulfate-reducing bacteria?


The diffusion of colored matter from a substrate through a paint film causing discoloration is called what?


True or false: Though the standard ASTM F2170 requires 72 hours to achieve results, one-day results of relative humidity testing of concrete floors with in-situ probes is typically accurate enough to judge if it is acceptable to apply materials that can tolerate higher moisture content.


What is the order of SSPC power-tool cleaning standards, from most to least rigorous?


An ultrasonic dry film thickness gage can measure dry film coating thickness on what substrate(s)?


If SSPC-SP 16 is specified to prepare architectural aluminum for recoating, what blast pressure should be used?


True or false: Hand-tool and power-tool surface preparation standards in the U.S. are jointly issued by SSPC and NACE.


True or false: The conformance of blast-cleaned steel with surface preparation specifications, such as SSPC-SP 10, is assessed visually without the aid of instrumentation.


What organization offers a certification in moisture testing of concrete slabs?


True or false: Most fluoropolymer coatings applied to aluminum extrusions have a film thickness of about 1.2 mils, according to a recent D+D In Depth article.


True or false: Abrasive fines are debris found in blasting abrasive.


Abrasive blast cleaning to remove lead-based paint is governed by what EPA regulation?


True or false: Polyurea coatings require use of low-voltage holiday detectors for continuity testing.


What is another name for surface profile on steel?


True or false: SSPC has several standards for surface preparation of concrete.


In general, when is it better to use impact power tools rather than rotary power tools?


True or false: ASTM has a test method for measuring surface profile that is appropriate for profile produced by power tools.


True or false: When mill scale is removed from steel by abrasive blasting, the steel begins to rust.


True or false: An entire session of the SSPC 2017 Conference in Tampa is devoted to surface profile.


True or false: Some moisture meters based on conductivity readings can be used on both wood and concrete substrates.


True or false: Shotcreting produces a surface profile too rough for thin coatings.


True or false: SSPC visual standards showing degrees of cleaning of steel take precedence over the descriptions of required cleanliness in SSPC's written surface preparation standards.


Examining the drip pattern from a burst of paint sprayed onto a vertical surface with an airless spray gun will reveal what possible problem?


True or false: Ultra-high-pressure water jetting at 30,000 psi typically produces a greater volume of water in removing coatings from a masonry substrate than does pressure washing at 5,000 psi.


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is correct?


True or false: RH and surface cleanliness are both critical factors in flash rusting.


What is another name for a dolly used in coating testing?


True or false: ASTM offers only a visual method for determining the surface profile of concrete.


What inspection instrument uses a wet bulb and a dry bulb?


OSHA estimates there are approximately how many ladder injuries each year?


True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a low-voltage holiday detector is normally used to detect pinholes and other discontinuities.


What is the acronym for an instrument used to conduct the ASTM 4541 test, Standard Test Method for Pull-Off Strength of Coatings Using Portable Adhesion Testers?


True or false: Airless spraying produces less overspray than conventional air spraying.


True or false: Aliphatic hydrocarbons are among the exposure types listed in SSPC Environmental Exposure Zone 3E, “Chemical Atmospheric Exposure, Severe.”


What type of gages are used to measure the dry film thickness of coatings on concrete?


What do MPCAC and PLURAL have in common?


True or false: ASTM D4417 describes three methods for measuring surface profile of blast-cleaned steel using either a digital profile gage or a surface profile comparator or a portable stylus instrument.


What organization produces rubber replica templates to judge the degree of surface profile on concrete?


True or false: NACE and SSPC are the only organizations that certify coating inspectors.


Which of the following formulating or application strategies can increase the hiding of a coating?


True or false: Products for exterior wood are sometimes formulated with high pigment concentrations to provide hiding power and to help seal the exposed wood microstructure.


What organization has validated a Wall Coating Applicator Training Program?


True or False: ASTM D3359, “Standard Test Method for Measuring Adhesion by Tape Test,” measures the tensile adhesion of a coating.


How is profile measured in ASTM D4417?


True or false: Abrasive used for abrasive blast cleaning to remove rust and mill scale should have a Mohs hardness of 1.


True or false: The Performance Standard for Protective Coatings (PSPC) was created by ISO.


True or false: Red iron oxide pigment is stable at temperatures of 500 degrees Fahrenheit.


What makes crushed glass a “green” abrasive, according to the JPCL article, “What is a Green Abrasive?”


True or false: Prior to being used for measurements, all thermometers should be exposed to the environment they will be used in for sufficient time to allow them to stabilize, according to a recent JPCL article.


What organization produces standards for the surface preparation of concrete?


True or false: It is possible to write performance-based specifications for surface preparation prior to painting.


True or false: All of the SSPC mechanical surface preparation standards require solvent cleaning to SSPC-SP 1 prior to performing any additional cleaning required by the project specification.


In a centrifugal wheel blast machine, what is another name for “operating mix?"


True or false: According to a JPCL article, one year is a good starting interval between calibrations of a magnetic dry film thickness gage.


True or false: A recent Naval Research Laboratory study determined that coating performance is not adversely affected by chloride contamination.


One mil of coating thickness equals approximately how many microns?


A test that requires rubbing a clean black fabric across a painted surface evaluates what attribute of the paint?


True or false: Air abrasive blast workers are regularly exposed to noise in excess of 120 dBA.


True or false: SSPC-SP 10 is the most rigorous degree of cleaning steel by abrasive blasting.


What organization developed a standard for measuring concrete surface profile with replica putty?


True or false: Non-skid coatings with aggressive abrasives such as aluminum oxide can be spray-applied with airless equipment.


In surface preparation work, what is a jobsite standard?


True or false: MPCAC and PLURAL are two kinds of plural spray equipment.


True or false: Corn cobs, walnut shells, and olivine are used to make blast abrasives classified as agricultural.


True or false: Sponge jetting requires ultra-high pressure (UHP) water.


True or false: According to SSPC-SP 16, “Brush-Off Blast Cleaning of Coated and Uncoated Galvanized Steel, Stainless Steels, and Non-Ferrous Metals,” blast cleaning of architectural aluminum should be conducted at pressures lower than the pressure normally used to clean carbon steel (90 to 100 psi).


True or false: There is no quantifiable test method for determining the surface profile on concrete substrates.


What organization offers a standard that gives durability grades of low, medium, and high for paint systems in various environments and levels of surface preparation?


True or false: Both General Industry and Construction Industry standards promulgated by OSHA require that abrasive blasting respirators be worn during abrasive blasting operations.


True or False: The International Standards Organization published the International Green Construction Code in 2012.


True or false: In creating the best appearance on a concrete polished floor, it is more important to achieve a higher specular gloss value than it is to achieve a high distinctness of image value.


True or false: A White Metal Blast, SSPC-SP 5, allows stains to remain on 5 percent of the surface after blast cleaning.


True or false: An ultrasonic dry film thickness gage can accurately measure film thickness on steel edges.


Which of the following is bad advice about spraying zinc-rich coatings?


Sulfate-reducing bacteria that cause corrosion of steel and concrete are likely to be found in what media?


Which of the following terms is another name for wet abrasive blasting?


Opacity observations of air pollution emissions are sometimes reported using what rating system?


What is the name of a rectangular metal tool used to deposit a specified thickness of wet coating on a test panel or other substrate?


True or false: ICRI recommends a profile of 10 mils to 1/4 inch in its surface preparation requirements for polymer overlays on concrete.


True or false: Aggressive application of dehumidification to dry a concrete floor slab should begin within the first 10 days after placement.


True or false: In air abrasive blasting operations, the same particle size mix of silica sand and coal slag yield the same profile ranges on steel.


True or false: Among the performance properties of polyureas, according to a JPCL article by Mike O’Donoghue and Vijay Datta, tolerance of low-temperature application is the weakest.


True or false: Waterborne coatings require special spray guns when applied by electrostatic spray.


True or false: A body belt with a lifeline connected to a secure anchorage is accepted as a safe personal fall arrest system by OSHA.


In addition to trisodium phosphate, used for cleaning in painting operations, what other material has the acronym TSP?


Cutter bundles are used on what devices?


True or false: A Tooke gauge can sometimes be used to measure the thickness of individual coats of paint within a multicoat system.


True or false: Seismic retrofits of bridge piers can be carried out with Bresle patch fabric.


True or false: Written descriptions of end conditions of steel after blast cleaning take precedence over visual photos in judging conformance with SSPC blast cleaning standards.


How many coating inspection companies are certified to SSPC-QP 5, Certification for Coating and Lining Inspection Companies?


SSPC recently entered into an agreement with what organization to provide global applicator training?


True or false: One kind of wet blast system uses air rather than water pressure as the cleaning force.


True or false: SSPC-VIS 1, Visual Standards for Blast Cleaned Steel, was initially produced by the Institute of Corrosion in the U.K.


SSPC’s new wet abrasive blast cleaning standards describe how many levels of flash rust following wet blast cleaning?


True or false: Rubber replica templates from the American Concrete Institute can be used to judge the degree of surface profile on concrete.


Which of the following is not a term used for application of metallic wire, metallic powder or thermoplastic powder?


True or false: For resistance to fluorine in high heat exposure, potassium silicate polymer concretes are a good choice.


True or false: SSPC has a standard for brush-off blast cleaning of steel and a second one for concrete.


True or false: In a JPCL article describing a study about surface preparation of repair mortars in wastewater treatment plants, the authors concluded that broom finishing was inferior to abrasive blasting in producing surfaces for the successful application of protective coatings.


True or false: SSPC has surface preparation standards for concrete that are equivalent to its abrasive blasting surface preparation standards for steel–SSPC-SP 5, SP 6, SP 7, and SP 10.


True or false: Most sling psychrometers are less accurate than most electronic pyschrometers.


According to a surface preparation study reported recently in JPCL, abrasive size was found to be a primary driver in the resultant surface profile depth and peak density of blasted steel surfaces.


What happens to the existing profile on steel when UHP water blasting is used to remove rust and/or coatings?


True or false: A new concrete surface finished with a power trowel would tend to have low porosity.


Ultra high pressure (UHP) waterjetting, using water alone at pressures of 35,000-40,000 psi, is sometimes used for what purpose in coating work?


True or false: There is a quantifiable method for determining the surface profile on concrete substrates.


Which instrument below is used for continuity testing of coatings on steel?


What is a name sometimes given to the creation of microcracks in a concrete surface through use of impact, pulverizing, or other mechanical surface preparation methods?


True or false: SSPC surface preparation standard SSPC-SP 10 requires an end condition of blast-cleaned steel that is approximately twice as clean as the end condition of SSPC-SP 5.


True or false: All wet abrasive blast systems use water pressure as the cleaning force.


How is film build normally achieved during the thermal spray process?


What is the name for units of viscosity of paint as determined by testing with a Krebs-Stormer viscometer?


True or false: Conventional air spraying tends to cause more overspray than airless spraying.


True or false: Thermoplastic powders cannot be applied by thermal spraying.


What is one drawback of using low pressure water (less than 5,000 psi) at 250 F to remove coatings from brick?


What new technology has been used recently in coating work on the Sydney Harbour Bridge?


What is the process called when steel shot is used to improve the fatigue properties of steel?


A White Metal Blast, SSPC-SP 5, allows what to remain on the surface of steel after blast cleaning?


What organization issued a standard in 2012 for measuring the profile of concrete after surface preparation?


True or false: An ultrasonic dry film thickness gage can measure coating thickness on concrete, but not on wood substrates.


In coating work, what is transfer efficiency?


What is a typical particle speed for abrasive in an air abrasive blast system that utilizes a venturi nozzle?


True or false: A hypodermic pressure gage is used to check abrasive flow rates in a blast hose.


Industry waterjetting standards describe the use of water at what pressures to clean steel?


What is the minimum surface profile required to meet SSPC’s specification, Power Tool Cleaning to Bare Metal?


True or false: All wet blast systems use water pressure as the cleaning force.


True or false: SSPC’s power-tool surface preparation standards are issued jointly with NACE International.


True or false: The Norwegian organization offering coating inspector training and certification is called BLESIO.


True or false: The two types of dehumidification for coating projects are desiccant and high pressure.


True or false: The scraping, abrading and brushing methods are typically used to retrieve soluble salts from a steel substrate.


Replica tape increases in transparency where it is compressed. What feature of surface profile does this reveal?


What is the typical pressure range for waterjetting when it is used to remove coatings and corrosion from structural steel?


True or false: According to a recent Basic Training column in JPCL, heat is the operator’s best friend in spraying with plural component spray equipment.


What animal provides the bristle for China bristle paint brushes?


True or false: The number of peaks in a steel surface profile after blast cleaning has an effect on coating performance.


True or false: Zirconium silicate is crushed, dried and screened to produce the blast cleaning abrasive aluminum oxide.


What happens to carbon steel when it loses its oxide layer, millscale, in the abrasive blasting process?


True or false: In an air abrasive blasting system, the blast hose ID should be at least 3-4 times the size of the nozzle orifice to achieve productive blasting results.


For what type of surface preparation of steel does SSPC publish reference photographs?


True or False: Weldability is very significant to the formulation of inorganic zinc preconstruction primers used in ship building.


According to OSHA's recent announcement, what was the most cited safety violation to date in 2015?


What is another name for micro-cracking of concrete floor slabs during surface preparation?


Surface profile on steel, measured as peak to valley height of the roughness, has several other names, including which of the following?


What is the ideal pressure at the nozzle of an air abrasive blast system to achieve maximum productivity in the cleaning of steel?


True or false: A highly friable abrasive is good for recycling.


Abrasive blast cleaning to remove lead-based paint is governed by what EPA regulation?


In general, when is it better to use impact rather than rotary power tools?


Rotating flaps with hard metallic tips are components of what piece of surface preparation equipment?


True or false: One kind of wet blasting system uses air pressure rather than water pressure as the cleaning force.


What does HVLP stand for?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: Ultra-high-pressure water jetting at 30,000 psi requires more water to remove coatings from a masonry substrate than does water blasting at 5,000 psi.


What is the source of blasting abrasives?


What is the common name for aluminum silicate abrasive?


According to a D+D article, to achieve total coating removal from brick with minimal substrate damage and no airborne dust generation, what removal method makes the most sense?


What claims are made in a recent JPCL article for using waterjetting and surface-tolerant coatings in newbuilding of ships?


True or false: There is no good way to verify the dry film thickness of edge-retentive primers on steel edges in the field.


Non-metallic abrasives are derived from what source?


True or false: The various dry film thickness testing standards used around the world are significantly different from one another.


What special mixing equipment is required for zinc-rich paint?


True or false: Angular rather than round abrasives are best for removing soft pliable coatings, according to a JPCL Maintenance Tip.


What is the main reason that 100 percent solids coatings are normally applied by plural component spraying?


What kind of instruments test for coating continuity?


True or false: A wet sponge holiday detector is a spark tester.


Which of the following instruments is a destructive dry film thickness gage?


True or false: To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


True or false: According to SSPC, wet blasting and water jetting are synonyms.


True or false: In North America, SSPC is the sole publisher of hand- and power-tool cleaning standards.


A drawdown bar and a dolly have what in common?


True or false: Non-sparking tools can produce sparks.


True or false: Abrasive particles in an efficient air abrasive blast system typically travel at a speed of 100 miles per hour.


What is a unique feature of a plural-component spray system?


A bush hammer is normally used for what purpose?


SP 3 is a shorthand version of SSPC-SP 3, Power Tool Cleaning, but it can also refer to what research program important to the coatings industry?


True or false: SSPC has a standard describing test methods for measuring surface profile.


True or false: According to a recent JPCL article, ISO’s Sa 2 “thorough” blast cleaning standard is equivalent to SSPC-SP 14, NACE No. 8 Industrial Blast Cleaning.


SSPC classifies non-metallic abrasive into three kinds, two of which are mineral and manufactured. What is the third class?


Instruments used to detect moisture levels in concrete employ what technology?


Plastic shims are used to calibrate what quality control instruments?


“Grading,” “sizing,” and “screening” are terms used to describe what process?


True or false: ASTM has one pull-off adhesion test of coatings on concrete, and a separate one for coatings on metal substrates.


What is another name for a tensile adhesion test of coatings?


True or false: Elastomeric coatings are easier to remove by blast cleaning than brittle coatings.


What is the name of the Norwegian standards on coating and surface preparation?


True or false: There is an inspection instrument that will measure the dry film thicknesses of each layer of a coating system in certain conditions.


A broom finish on concrete translates to approximately what level of ICRI’s Concrete Surface Preparation (CSP) standards?


True or false: With the ISO blast cleaning standards, the visual standards are an integral part of the written standard; that is, the reference to the applicable pictures is part of the written description.


A Schmidt hammer would normally be used to test for what property?


SSPC-SP 10 allows staining to remain on how much of each unit area of the steel surface being cleaned?


True or false: The most widely used common name for a wet film thickness gauge is “squirrel gauge.”


What is the name of an accelerated weathering apparatus that operates on a condensation type of water exposure at elevated temperature?


What type of product is Emmaqua?


True or false: Arc-spray application of thermal-sprayed metal coatings is conducted only in the shop.


True or false: The dry film thickness of coatings cannot be measured on non-ferrous substrates.


Surface profile on blast-cleaned steel, measured as peak-to-valley height of the surface roughness, has several other names, including which of the following?


What term denotes migration of a substance to the surface of a coating film?


What type of instrument is used to check the continuity of protective coatings on steel?


What agency created the PM-10 standard?


True or false: Some portable shot blast machines utilize a centrifugal wheel blasting apparatus.


What may be the result of excessive pressure in airless spray painting?


How do you determine the particle size distribution of abrasive material used for blast cleaning?


True or false: In addition to SSPC-PA 17, there are two ASTM standards on measuring surface profile of blast-cleaned steel.


True or false: Relative humidity and surface cleanliness are both critical factors in the speed of flash rusting of newly blast-cleaned steel.


How is a water ring used?


The accumulation of fats, oils and greases (FOG) can have what negative impact on sewer systems?


What technology is employed in instruments measuring the moisture content of concrete?


The surface temperature of steel should be how much higher than the dew point temperature before you blast clean or paint?


True or false: A Tooke gage is an ultrasonic instrument used to measure the dry film thickness of coatings.


True or false: A needle gage is used to measure water pressure in a UHP water jetting system.


True or false: The appearance of steel after blast cleaning is affected by the type of abrasive used, among other factors.


True or false: According to a JPCL article, trowel-applied mortar systems for concrete floors can include walnut shell aggregates.


A PATTI instrument would be used to test what coating attribute?


What is the typical pressure range for water jetting when it is used to remove coatings and corrosion from structural steel?


At what dry film thickness is a high voltage rather than a low-voltage holiday detector required?


True or false: Dry ice pellets used as abrasive cannot produce a profile on steel.


True or false: Sponge jetting requires ultra-high pressure (UHP) water.


Which of the following is a destructive testing instrument for measuring the dry film thickness of coatings?


True or false: In air abrasive blast systems, the bull hose carries pressurized air and abrasive to the blast nozzle.


True or false: Relative humidity sensors used to determine moisture content of concrete slabs can produce fairly accurate results within an hour after probes are inserted into a slab, according to a manufacturer of the test equipment.


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered to be the upper limit for successful painting?


True or false: SSPC has a blast cleaning standard for non-ferrous metals such as architectural aluminum.


True or false: If a coating has 50 grams per liter or less of VOCs, it is said to be HAPS-free.


True or false: SSPC has a program to train and certify inspectors of coatings on concrete.


Which one of the following organizations does not train and certify paint inspectors?


Some types of spray painting equipment achieve higher transfer efficiency than others. What is transfer efficiency?


The last solvent in a solvent blend to evaporate from an applied coating film is called what?


A chopper gun would most likely be used for what application?


What is an alternative to hot potting?


True or false: The SSPC Committee on Commercial Coatings is developing guides for laboratory testing, selecting, and assuring the quality of thick-film coatings on CMU assemblies.


How can paints be made conductive for electrostatic spraying?


What organization published a revised standard in 2012 on measuring dry film coating thickness that focuses on frequency of measurements and acceptablility of acquired results?


True or false: The adhesion of coatings to weathered TPO roofing membranes can be significantly increased by using aqueous cleaners, followed by power washing.


Breathing grade compressed air (Grade D, as specified by the Compressed Gas Association) must contain what percentage of oxygen by volume?


SSPC’s specification for the application of thermal spray coatings is issued jointly with what other organization(s)?


True or false: Surface profile on steel can be measured in the field.


True or false: There are no quantitative methods for measuring the surface profile of concrete.


What organization has a surface preparation standard for brush-off blast cleaning of non-ferrous metals?


Which of the following is a synonym for a draw down bar?


What is a main difference between SSPC’s Commercial Grade Power Tool Cleaning and Power Tool Cleaning to Bare Metal?


What organization offers a standard that gives durability grades of low, medium, and high for paint systems in various environments and levels of surface preparation?


True or false: Chopped-up quills from goose feathers are used as abrasive to remove coatings from sensitive substrates.


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is correct?


Some types of spray painting equipment achieve higher transfer efficiency than others. What is transfer efficiency?


What do the terms “working mix” and “operating mix” refer to?


True or false: The number of peaks in the surface profile of a steel substrate has no measurable effect on the performance of coatings applied over it.


True or false: A coating system description in a specification may include surface preparation and quality control requirements.


Certain machine guns, like the old Thompson sub-machine gun, are called chopper guns. What is a chopper gun in coatings work?


In relation to coatings technology, what is a “fingerprint technique”?


What is normally meant by the phrase, “hold the blast?”


True or false: A wet blast system can use air pressure, rather than water pressure, as the cleaning force.


According to a JPCL article in July, how can flash rusting of newly abrasive-blasted steel be prevented or minimized?


True or false: SSPC publishes a surface preparation standard for power tool cleaning that requires establishment of a profile on steel.


True or false: Both wet and dry ice have been used as abrasives in abrasive blasting operations.


True or false: Abrasive particle size, shape, and hardness all have an impact on the creation of surface profile.


Which one of the following organizations does not train and certify coating inspectors?


What is a common name for the safety cut-out device at the blast nozzle of an abrasive blast system, which is connected to a pressure-relief valve on the blast pot?


True or false: Abrasive blast particles in an air abrasive blast system using a venture nozzle can achieve speeds of 450 mph or higher.


What organization developed a standard for measuring concrete surface profile with replica putty?


What organization publishes the Standard for the Preparation of Steel Substrates for PSPC?


Which of the following instruments would most likely be used to assess the condition of a building?


Which method of blasting produces the least blast debris, presuming the same substrate in the same condition is being cleaned by each method?


True or false: A nozzle orifice gage is used to measure the opening in a airless spray tip.


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is true?


True or false: HVLP stands for high volume low particulate.


True or false: In versions of SSPC-PA 2 published before the 2012 version, the standard addressed the measurement of dry film thickness of coatings on both ferrous and non-ferrous metals.


True or false: Scabbling produces a rougher profile on concrete than does air-abrasive blasting with sand.


True or false: According to a recent JPCL article, planing is more effective than shotblasting in removing asphalt, latex, adhesives and other materials that are thicker than 2 mm from concrete floors.


According to a May 2014 JPCL article, the per-vehicle cost for overspray removal on automobiles is typically in what range?


True or false: A Schmidt Hammer is used for hand-tool cleaning of steel.


Stormer and Brookfield are examples of what types of instruments?


True or false: Conformance with specified requirements for cleanliness of steel after surface preparation, as described in SSPC standards, is carried out without the aid of instruments.


True or false: Research by Roper, Weaver, and Brandon has shown that the peak count of surface profile after blast cleaning has no bearing on coating performance.


True or false: Centrifugal blast cleaning can be both portable and stationary.


True or false: One system used to repair cracked concrete in a secondary containment structure was a geotextile coated with polyurea.


What is a Tooke gauge?


True or false: Steel cleaned by abrasive blasting to a condition of SSPC-SP 5, White Metal Blast Cleaning, can look different from job to job.


True or false: No stains of rust, mill scale, or old coatings are allowed after abrasive blast cleaning to SSPC-SP 5.


The thickness of a coating is sometimes expressed in mils, sometimes in mircrometers or microns. Which unit is thicker, 1 mil or 1 micron?


What organization issued the 2006 publication Abrasive Blasting Hazards in Shipyard Employment?


True or false: Agricultural blast cleaning abrasives are made from walnut shells, corn cobs, and peach pits, among others.


True or false: There is a quantitative test method for measuring surface profile of concrete.


True or false: Staurolite sand can be considered a “green” abrasive because it is an industrial byproduct.


What U.S. President signed into law the Environmental Protection Act, establishing the EPA?


If an abrasive fractures easily, it is said to be which of the following?


Olivine is what type of blasting abrasive?


True or false: OSHA has developed three sets of regulations on abrasive blasting in three primary industries: general industry, maritime, and construction.


SSPC and NACE have how many joint standards on waterjet cleaning of metals?


How does one surface preparation industry expert, Dr. Lydia Frenzel, differentiate between flash rust and rust back?


True or false: Zinc oxide is an effective UV absorber.


Water glass paints fit into which of the following classes?


In what SSPC publication do you find environmental zones listed and described?


True or false: Many toxic and oxygen-displacing gases are heavier than air and accumulate at the bottom of confined spaces.


True or false: The only ways to combine abrasive and water in a wet blast system are to inject water into a pressurized abrasive stream or to inject abrasive into a pressurized water stream.


True or false: A hypodermic pressure gauge is normally used to measure the working pressure of a plural-component spray system.


What name is usually given to blasting abrasive residue that has been broken down into a powder?


What is the name of a rectangular metal tool used to deposit a specified thickness of wet coating on a test panel or other substrate?


What is the name of the tool that has flexible flaps attached to a rotating hub with tungsten carbide cutters at the ends of the flaps?


What is the name of a blast cleaning abrasive manufactured by fusing the mineral bauxite at high temperature?


True or false: An eddy current gauge is used to measure dry film thickness of coatings non-destructively on concrete substrates.


True or false: A hygro thermometer is used to measure the moisture content and temperature of insulation on hot piping.


True or false: Spray techniques for closed-cell SPF normally differ from those for open-cell SPF.


What happens to the condition of a steel substrate when waterjet cleaning is used to remove rust or existing coatings?


True or false: Though not described in a standard, one check for oil contamination of abrasives involves putting abrasive in a clean glass jar with clean water, putting a lid on the jar and shaking it, and then checking for an oil film on the surface of the water or coloration or cloudiness of the water itself.


True or False: SSPC and NACE jointly publish a standard on applicator training and certification for commercial painters.


True or false: ASTM D7091 covers use of both magnetic and eddy current gauges for measurement of a coating’s dry film thickness.


True or false: SSPC-AB 1, Mineral and Slag Abrasives, includes manufactured, non-metallics such as silicon carbide.


On concrete block, dry-film coating thickness can be measured with what type of non-destructive instrument?


What type of respiratory protection is required for air abrasive blasting?


Wind can cause or contribute to what problem of paint application?


In measuring coating thickness, one mil equals approximately how many microns?


How many sets of visual reference guides supplementing written surface preparation standards are published by SSPC?


True Or False: ASTM D 7091 and SSPC-PA 2 deal with measurement of dry film coating thickness on both ferrous and non-ferrous metals.


True or false: In a JPCL article describing a study about surface preparation of repair mortars in wastewater treatment plants, the authors concluded that broom finishing was superior to abrasive blasting in producing surfaces for the successful application of protective coatings.


In abrasive blasting work, how small do dust particles have to be to make them respirable?


What surface preparation method for concrete produces the largest profile?


What term is used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material?


True or false: The speed of abrasive exiting a venture nozzle in an efficient air abrasive blasting system is typically about 200 mph.


Ultra high pressure (UHP) waterjetting, using water alone at pressures of 35,000-40,000 psi, is sometimes used for what purpose in coating work?


True or false: OSHA’s Construction Industry Fall Protection Standard is invoked when a worker operates at a height of 10 feet or greater.


What instrument or device is used to determine steel profile roughness/peak count requirements as required in SSPC-SP 17 and described in ASTM D4417?


True or false: Odor control ventilation systems in wastewater treatment plants stop biogenic sulfide corrosion.


True or false: OSHA now forbids the use of silica sand as a blasting abrasive.


True or false: Airless spray painting systems sometimes operate at pressures 100 times greater than pressures used in conventional air spray systems.


When replica putty is used to determine the surface profile of concrete according to ASTM D7682, Method A (visual comparison), what is the replica putty compared to in order to assess the profile depth?


What type of a coating contains an acid source, a carbon source, and a blowing agent?


True or False: Like their counterparts for steel, there are four SSPC surface preparation standards describing the end condition of concrete after cleaning.


How can a hygro thermometer be useful in coating work?


True or False: SSPC-SP 11, Power Tool Cleaning to Bare Metal, has no requirement for surface profile.


Press-O-Film is the name of what type of product?


True or False: In judging the conformance of abrasive blast cleaning of steel with SSPC standards, such as SSPC-SP 10, the photos in SSPC-VIS 1 depicting levels of cleanliness take precedence over the written descriptions of required levels of cleanliness.


SSPC-VIS 1, now called Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning, was originally produced by what other standards organization?


Continuity testing of non-conductive coatings applied to a steel substrate is carried out with what type of instrument?


True or False: Silica sand and coal slag abrasive with the same particle size distribution will produce different profile depth ranges on blast-cleaned steel.


An elastomeric coating is most noted for what property?


True or False: The more turbid a liquid, the more clear it is.


What is the name for an abrasive’s resistance to breakdown on impact?


What is another name for wet storage stain?


Which of the following terms is generally considered synonymous with the term “trade sales paint”?


What kind of blasting abrasive is comprised of aluminum silicate?


Centrifugal wheels are used in what kind of equipment?


Which of the following methods for measuring surface profile is not described in ASTM D4417, “Standard Test Method for Field Measurement of Surface Profile of Blast Cleaned Steel”?


In general, when is it better to use impact power tools (needle gun, roto peen) rather than rotary tools (wire brush, etc.)?


What is another name for the portable stylus instrument used to measure surface roughness of blast-cleaned steel?


SSPC/NACE standards for waterjet cleaning describe how many levels of cleanliness?


What quality control device has the names Keane and Tator connected to it?


True or False: The PosiTest Air Leak Tester is a laboratory device for determining if mock-ups have air leaks.


True or False: ASTM D3359, “Standard Test Method for Measuring Adhesion by Tape Test,” measures the tensile adhesion of a coating.


True or False: Dry-sprayed paint films, as occurs in high wind conditions, are rough, low in gloss, and cohesively inadequate.


Respirators must be approved for use by what organization?


In what kind of work do you hear the term, “operating mix?”


True or False: Film build is normally achieved in application of thermal-sprayed zinc coatings by slowing the travel speed of the spray gun.


True or False: The plastic sheet method is a quantitative test for determining the extent of moisture in a concrete slab.


What organization has developed a method for measuring and replicating concrete surface profile using replica putty?


What organization created and sells rubber replica templates for determining the surface profile of concrete?


What is the source of potential inhalation hazards that blasters face in air abrasive blasting operations?


True or False: Relative humidity at the surface of bridge steel may be different from the relative humidity in the atmosphere away from the steel surface.


True or False: A low-pressure, low-impact abrasive blasting process using a blend of walnut shells and staurolite sand has been developed for cleaning architectural sheet metals and other substrates.


What is another name for “work mix?”


True or False: It is important to keep the spray pot or container below the level of the work when applying zinc-rich paint.


True or False: Amine blush is caused by UV exposure.


True or False: In August this year, OSHA issued a proposed rule banning use of crystalline silica as a blasting abrasive.


What does the anhydrous calcium chloride test measure?


True or False: Wire bristle tools were recently classified as impact power tools in SSPC power tool cleaning standards.


What organization is developing a guide for testing the suitability of thin-film coatings as air barriers?


True or False: OSHA classifies supplied-air respirators as engineering controls.


What is a name sometimes given to the creation of microcracks in a concrete surface through use of impact, pulverizing, or other mechanical surface preparation methods?


What organization developed a standard practice for building enclosure commissioning?


Rotating flaps with hard metallic tips are components of what piece of surface preparation equipment?


What instrument would you use to analyze soluble salt contamination on abrasives?


Why is crystalline silica sand more likely to cause silicosis when it is used for abrasive blasting, as opposed to when it blows around on a beach?


True or False: SSPC has a standard on using plural-component spray equipment.


True or False: When measuring dry film coating thickness in accordance with SSPC-PA 2, the required number of “area measurements” is based on the size of the structure.


Which of the following ISO 8501-1 standards is equivalent to SSPC-SP 6, Commercial blast?


True or False: Maximum levels of soluble salts that can remain on a steel substrate after surface preparation are mandated in SSPC-Guide 15 and ISO 8502.


What is the typical range for the peak-to-valley height of surface profile created on steel by power-tool cleaning to bare metal or abrasive-blast cleaning?


How is a Tooke Gage different from a magnetic dry film thickness gage in measuring dry coating thickness?


Surface roughness and peak count of abrasive-blasted steel are the subject of what SSPC standard?


True or false: OSHA’s 2008 National Emphasis Program on Crystalline Silica explicitly identified abrasive blast cleaning as a high-exposure activity.


What description fits Initial Condition D of steel before blasting?


True or False: OSHA has lowered the permissible exposure limits on crystalline silica.


True or False: Field-applied fluoropolymers cannot meet VOC levels of 100 grams per liter.


Which of the following pigments is most stable at high temperatures (above 500°F)?


True or False: An ultrasonic dry film thickness gage can successfully measure coating thickness on steel edges when an edge-retention primer is used.


Which of the following characteristics of a conventional, thin-film coating is easily tested in the field?


True or False: A seal coat over thermal-sprayed zinc will perform better if application is delayed until at least 30 days have elapsed so that natural oxidation can form on the zinc.


What is the relationship between a fog coat and a mist coat of paint?


True or false: The number of peaks in a steel surface profile created by abrasive blast cleaning has no effect on coating performance.


True or False? Many coating manufacturers recommend a maximum relative humidity of 40% within a concrete slab before their flooring products are applied.


True or False? The higher the water pressure of a pressure washer, the more effective will be the rinsing step after coatings are exposed to chemical strippers for the appropriate time on masonry substrates.


True or False? SSPC-PA 2 (2012) addresses the use of two types of gages for measuring dry film coating thickness.


What type of gages are used to measure the dry film thickness of coatings on concrete?


What are the most commonly used materials for thermal spraying when it is used for corrosion protection?


True or False? Powder coatings are not used on architectural aluminum.


Which abrasive type is most likely to be used in a portable wheel blast machine for surface preparation of concrete floors?


How is a Tooke Gage useful in failure investigations?


What degree of surface profile is required on concrete to be treated with a siloxane sealer?


What is the name of the industrial form of hydrochloric acid that is used to clean concrete and masonry?


What is the name of the metal bar used to deposit a specified thickness of wet coating film on a substrate?


A durometer measures what characteristic of a coating?


True or false? Among all spray application techniques, plural-component spraying produces the most paint overspray.


What does HVLP stand for?


Why do some product data sheets for coatings require that the substrate surface temperature be at least 5° F higher than the dew point temperature?


ICRI recommends how much profile in its surface preparation requirements for polymer overlays on concrete?


True or False? Before electronic instruments became available to measure dew point and relative humidity directly, surface temperature thermometers were used to derive these readings.


True or False? Fines are the most productive particles in the working mix of blast abrasive.


What organization developed the Guide for Planning Coatings Inspection?


Which of the following is bad advice about spraying zinc-rich coatings?


True or False? To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


Why must a cartridge mask respirator be fit-tested?


What does “theoretical coverage” mean?


True or False? In abrasive blasting work, a dosimeter is used to measure exposure to blasting dust.


Reference photographs for surface preparation of steel by waterjetting are found in what document?


How is film build normally achieved during the thermal spraying of metallic coatings?


True or false? The shells from sunflower seeds are recycled as agricultural blast abrasives.


What is another term for surface profile on steel?


True or false? The contractor is responsible for field testing for oil and soluble salt contamination of new mineral and slag abrasive media before use.


True or False: In the lexicon of the EPA, HAPS stands for hazardous abrasive particles.


What is the first step in measuring dry film thickness?


True or false: An ultrasonic dry film thickness gage can measure coating thickness on concrete, but not on wood substrates.


Which of the following dry film thickness gages is destructive?


What organization recently published “Efficacy Evaluation of Antifouling Products?”


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered the upper limit for successful painting?


True or False: Air leakage into a building can generate much more moisture than moisture vapor transmission can.


According to JPCL author David Dorrow, what makes an abrasive “green?”


Plastic shims are used with what quality-control instruments in coating work?


True or False: Sponge blasting employs particles of sponge as abrasive.


A stationary centrifugal wheel blast machine is normally used to clean what kind of substrate?


True or false: SSPC visual standards showing degrees of cleaning of steel take precedence over the descriptions of required cleanliness in SSPC’s written surface preparation standards.


True or false: All the SSPC surface preparation standards are issued jointly with NACE.


What pressure range would you want to see on a needle gage inserted behind the nozzle of a blast hose?


Which of the following SSPC abrasive blast cleaning standards requires the most rigorous degree of cleaning of steel?


Why should the surface temperature of steel be at least 5 degrees higher than the dew point temperature before you blast-clean or paint?


What kind of spray application of a liquid coating to a metallic substrate is most commonly associated with the “wrap-around effect”?


Which of the following answers organizes SSPC abrasive blasting standards from least to most rigorous?


What is the alpha-numeric designation of the recently published SSPC standard describing recommended best practice in applying plural component polyureas and polyurethanes?


Determining the particle size distribution of blast abrasive is achieved by what method?


True or false: A pot tender is a generic name for an agitator in a spray pot used to apply zinc-rich coatings.


True or false: Ultra-high-pressure (UHP) water jetting is generally ineffective in removing soluble salts from steel substrates.


Holiday detectors rely on what functionality to detect voids in coating films?


True or false: The Sealant Waterproofing and Restoration Institute (SWRI) has a Wall Coating Validation Program “to provide specifiers and end-users of wall coating products an unbiased method to judge whether wall coating products will perform at the levels of the manufacturer’s published data sheet for that particular product.”


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is correct?


True or false: The number of surface profile peaks in abrasive-blast-cleaned steel has no effect on coating performance.


What organization does not produce standards for the surface preparation of concrete?


True or false: In air abrasive blast cleaning of steel, a venture nozzle generates a deeper blast profile than a straight bore nozzle with the same diameter opening.


How are the zinc particles in a zinc-rich coating kept in suspension during spray application?


True or false: In abrasive blasting work, a dosimeter is used to measure exposure to abrasive blasting dust.


True or false: An SSPC standard was recently published to provide a standard set of acceptance criteria to determine compliance with surface profile requirements in project specifications.


True or false: The standard for non-destructive measurement of dry coating film thickness on concrete is different from the one used to measure dry coating film thickness on steel.


True or false: Some experts recommend that a weathered TPO roof be prepared for coating by cleaning with an aqueous cleaner followed by power washing.


True or false: Thermal spraying of zinc is sometimes used for corrosion control on steel substrates.


True or false: Some state highway departments have banned the use of silica sand for abrasive blasting.


What organization has a standard for the surface preparation of concrete?


True or false: Dry ice blasting produces a lesser volume of debris than the amount produced by air abrasive blasting using slag abrasive.


True or false: Rubber replica templates from the American Concrete Institute can be used to judge the degree of surface profile on concrete.


What is the alphanumeric designation of the SSPC Paint Application Standard for measuring the thickness of dry coatings on concrete?


True or false: To hold the blast (prevent re-rusting of blasted steel) inside a tank, one effective measure is to use dehumidification to keep relative humidity below 50%.


True or false: The USDA Forest Products Laboratory (FPL) recommends special surface preparation prior to painting if bare wood is exposed to the atmosphere for more than three to four weeks.


Which of the following cleaning techniques is most likely to remove soluble salts from a heavily pitted steel surface?


True or false: There is an SSPC power tool cleaning surface preparation standard describing a degree of cleanliness that falls between Power Tool Cleaning, SSPC-SP 3, and Power Tool Cleaning to Bare Metal, SSPC-SP 11.


How can a hygro-thermometer be useful in coating work?


True or false: Working at a height of 6 feet invokes OSHA’s Construction Industry Fall Protection Standard (29 CFR 1926 Subpart L).


True or false: A research study by Roper, Weaver, and Brandon indicated that the number of peaks in a steel surface profile created by abrasive blasting has no effect on performance of coatings applied to the steel.


When did, or will, OSHA’s latest rules for residential fall protection (approved in 2010) take effect?


True or false: Magnetic gages can be used for the non-destructive measurement of dry film thickness of coatings on concrete substrates.


How are water and abrasive combined in wet abrasive blasting?


True or false: SSPC published a surface preparation standard, now discontinued, describing flame cleaning of steel.


True or false: UHP waterjetting at 35,000 to 40,000 psi is typically used for surface preparation of stucco before painting.


How would you use a hypodermic pressure gage?


Which one of the following blasting abrasives is derived from mineral deposits?


What is the minimum surface profile required to meet SSPC’s specification, Power Tool Cleaning to Bare Metal?


True or false: Baking soda can be used as an abrasive in both wet and dry abrasive blast systems.


Which of the following is an environmentally benign material sometimes used to etch concrete before application of coatings?


SSPC’s Coating Application Specialist Standard, ACS-1, is issued jointly with what other organization?


According to David Dorrow in a recent JPCL article, what constitutes a “green” abrasive?


When production is stopped for inspection of coating work prior to moving on to the next step, what is this quality control step called?


True or false: Fire-resistant, intumescent coatings for steel are applied in one to three coats.


When water under pressures of 30,000-40,000 psi is used to clean steel before painting, what is this form of cleaning called?


If you’re a contractor concerned with meeting the end condition appearance requirements for steel after blast cleaning, what precaution might you take?


What organization provides visual profile standards for concrete?


True or false: An SSPC Committee is working on a standard for qualifying and certifying commercial coating applicators.


Which of the following application methods achieves the greatest transfer efficiency?


Which of the following factors is a cause of dry spray in conventional air spray operations?


Which of the following statements does not describe an advantage of a plural-component spray system?


Why are inhibitors used in wet blast systems?


A conductivity meter is normally used to check for what contaminants on abrasive for blasting?


EPA estimates that coal- and oil-fired power plants produce what percent of acid gas emissions in the United States?


Power tools such as power wire brushes can burnish or polish a steel surface. Why is this a problem?


True or false: One kind of wet blast system uses air rather than water pressure as the cleaning force.


According to SSPC's Surface Preparation Commentary for Steel and Concrete Substrates (SSPC-SP COM), final dry blast cleaning should not be conducted when the steel surface is less than how many Fahrenheit degrees above the dew point?


In what kind of system is a nozzle orifice gage used?


True or false: A rebound hammer is a power tool used for surface preparation.


In which one of the following QC applications is a holiday detector (high or low voltage) normally not used?


Abrasive blast workers are regularly exposed to noise in excess of what level?


True or False: SSPC’s recent revisions to SSPC-SP 11 and SSPC-SP 15 changed the standards’ requirements for surface cleanliness and minimum surface profile.


Which one of the following agricultural materials is typically not used to create abrasives for blasting?


Why is back rolling often required following airless spraying of coatings over concrete blocks (CMUs)?


True or false: A needle gun is used to apply metal roofing materials.


What two organizations recently worked cooperatively to revise their standards on measuring dry film thickness of coatings?


True or false: Thermal spray coatings of aluminum, zinc, and their alloys for corrosion protection of steel are very surface-tolerant.


What kind of abrasive was used to remove the failing baked-on gold enamel from 30,000 square feet of clay tiles on the New York Life building in preparation for applying gold leaf?


True or false: Painting over weld spatter on steel is an accepted practice.


Which of the following is an abrasive media used in a blasting system on delicate substrates?


According to ASTM D 6083, what should be the minimum dry film thickness for elastomeric acrylic, cool roof coatings?


What happens to carbon steel when it loses its oxide layer, millscale, in the abrasive blasting process?


“Surface Preparation and Cleaning of Metals by Waterjetting Prior to Coating” is a newly revised standard by:


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is true?


If a specification requires one of the following–brush-off blasting (SSPC-SP 7), commercial blasting (SSPC-SP 6), or near-white blasting (SSPC-SP 10), what other cleaning standard is invoked?


What organization recently issued a standard for measuring the profile of concrete after surface preparation?


In air abrasive blasting, why is it sometimes useful to adjust the angle of attack (angle of the nozzle in relation to the workpiece)?


True or false: There are no quantitative methods for determining levels of moisture in concrete floor slabs.


When abrasive is recycled without sufficient new abrasive being added to the operating mix, what happens to the surface profile of steel being cleaned?


True or False: Testing standards for measuring dry film thickness of coatings (SSPC, IMO, ISO, and AS) are remarkably similar in their requirements for sampling and the number of measurements that have to be taken.


True or false: The anhydrous calcium chloride test for measuring moisture in concrete slabs is a qualitative rather than a quantitative test.


True or False: The Australasian Corrosion Association is licensed to teach SSPC’s C7 Abrasive Blasting course.


Which of the following coating adhesion tests is the least quantitative?


Which of the following answers organizes SSPC abrasive blasting standards from most to least rigorous?


What piece of equipment for coating work has flexible flaps with tungsten carbide shot embedded into them?


True or false: There is no quantifiable method for determining the surface profile on concrete substrates.


True or false: Centrifugal wheel blast machines are used both in shops and in the field.


According to ASTM D6083, what should be the dry film thickness of an acrylic coating used in roofing?


True or false: A combination of chemical stripping and (frozen) ice blasting has been used to remove lead-based paint from bridge steel.


True or false: To assure successful adhesion, more paint has to be applied to weathered wood so that it penetrates the soft, damaged layer and adheres to the sound substrate beneath.


What is the typical pressure range for water jetting when it is used to remove coatings and corrosion from structural steel?


True or False: Dehumidification equipment is sometimes used to “hold the blast” after surface preparation of the interior of a storage tank.


True or False: Generally speaking, a high-density abrasive will not clean as fast as a less-dense abrasive.


Ultra-high pressure (UHP) water jetting for surface preparation of steel typically operates at what pressure range?


Among the options below, which is the most important in achieving the specified surface profile on steel when you are air abrasive blast cleaning?


What animal provides the bristle for China bristle paint brushes?


True or false: For non-conductive coatings up to 20 mils thick applied to conductive substrates, a high-voltage holiday detector is normally used to detect pinholes and other discontinuities.


What is a typical particle speed for abrasive in an air abrasive blast system that utilizes a venturi nozzle?


True or false: Magnetic dry film thickness gages are used to measure the thickness of coatings over concrete.


What type of gage can be used in the field to accurately judge the dry film thickness of coatings on steel edges?


Which of these statements is not true about Corrosion Under Insulation (CUI)?


Who received this year’s SSPC Outstanding Paper Award for the JPCL article, “Sizing DH for Water Tank Lining Jobs”?


True or false: In air abrasive blasting operations, the same particle size mix of silica sand and coal slag yield different profile ranges on steel.


True or false: If you are removing a soft, pliable coating from a steel surface, a rounded abrasive will be more productive than an angular one.


An air-wash separator would be found in what type of equipment?


The SSPC/NACE/AWS specification for thermal-sprayed zinc in a marine service environment requires what degree of blast cleaning?


True or false: A body belt with a lifeline connected to a secure anchorage is accepted as a safe personal fall arrest system by OSHA.


How can sponge blasting produce a profile on steel?


The measurement “mil” is often used to specify coating thickness, especially over steel and critical service for concrete. How big is a mil?


What happens to the existing profile on steel when UHP water blasting is used to remove rust and/or coatings?


True or false: The density of concrete prevents water vapor and gases from moving freely within the matrix.


What is the likely result of applying a relatively inflexible coating at a film thickness much higher than recommended by the manufacturer?


What organization recently conducted a study on the air barrier performance of conventional coatings applied at conventional film thicknesses?


Instruments used to test moisture in concrete or masonry walls are based on what principle?


SSPC is developing a revised version of its standard on measuring dry film thickness. What is the alphanumeric name of this standard?


True or false: SSPC has 3 different standards describing the end condition of steel after power tool cleaning.


What is the name usually given to a robotic surface preparation machine used in the field on ship and tank exteriors?


In dealing with coating thickness requirements, 25 microns equals approximately how many mils?


When acid etching is used to create a profile on concrete in preparation for painting, why is it important to rinse the concrete thoroughly after the etching is completed?


What are abrasive fines?


True or false: Metal in direct summer sunlight will never be too hot to paint when the ambient temperature is 90 F.


True or false: The most accurate meters for detecting moisture within a concrete substrate are based on readings of temperature and humidity.


True or false: For color and gloss retention on aluminum extrusions in exterior exposure, baked enamels provide the best performance.


Why is crystalline silica sand more likely to cause silicosis when used as an air abrasive blasting material than it is in its natural state, for instance, as beach or river sand?


What information is necessary to compute dry film thickness from a wet film thickness reading?


What is the effect of air temperature on the pot life of a two-component coating?


True or false: Use of crystalline silica sand has now been banned from use as a blasting abrasive in the United States.


High pressure, supplied-air respirators used for abrasive blasting normally have an Assigned Protection Factor of 25. What does this NIOSH rating mean?


What is the most important reason for a lanyard to be flexible when it is used with a lifeline and safety harness?


Inside a confined space, where do solvent vapors normally collect?


True or false: Ultra-high-pressure water jetting at 30,000 psi typically produces a lower volume of water in removing coatings from a masonry substrate than does pressure washing at 5,000 psi.


True or false: Conventional air spraying produces less overspray than airless spraying.


True or false: Abrasive blasting and other scarification techniques increase the surface area of a steel substrate and provide additional reactive sites for molecular association between paint and metal.


Why is it necessary to remove grease from a metallic surface before you clean it by abrasive blasting?


What instrument is used for non-destructive measurement of the dry film thickness of coatings on concrete?


True or false: All the SSPC surface preparation standards are issued jointly with NACE.


True or false: Potable water without additional treatment is often used successfully for UHP water jetting prior to painting.


A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?


For electrostatic spraying to work effectively, the item to be coated must be in what condition?


Which of the following is most likely to be the result of excessive profile depth on steel after blast cleaning?


True or false: From a wet film thickness measurement of an applied coating with a notch gage, it is possible to calculate what the dry film thickness will be.


What are the most commonly used thermal spraying materials for corrosion protection of steel?


If you need to answer a question about the surface profile requirements for blasted surfaces on a job, what document would you consult?


A stationary centrifugal wheel blast machine typically uses what type of abrasive?


Where are the resin and catalyst or curing agent mixed in a plural component spray system?


What type of gages are used to measure the dry film thickness of coatings on concrete?


True or false: Both SSPC and NACE have standards that describe how to measure dry film thickness of coatings on concrete.


True or false: ISO Sa2.5, describing very thorough abrasive blast cleaning, gives a more comprehensive written description of the end condition of the steel after blasting than SSPC SP 10/NACE No. 2, Near white metal, which requires a similar end condition.


Which of the following factors influences the appearance of steel after blast cleaning?


In general, which of the following coating types or conditions is easiest to remove by blast cleaning?


The ISO surface preparation standard Sa 3 most closely resembles what SSPC/NACE surface preparation standard?


Why would a test for moisture content of concrete be important prior to application of thick-film elastomeric coatings?


True or false: Back brushing and back rolling are application techniques with the opposite effects.


According to OSHA, what is the primary problem with this marine scaffolding assembly?


When does OSHA require that an aerial lift operator undergo retraining?


True or false: SSPC has a standard for measuring dry film thickness of paint over concrete substrates.


True or false: Conventional air spraying creates more overspray than airless spraying does.


How does a dry film thickness measurement of a coating on steel take into account the blast profile on the steel?


In abrasive blasting work, how small do dust particles have to be to make them respirable and therefore dangerous to health?


Which of the following range of readings would you most likely see on a needle pressure gage inserted behind the nozzle of a blast hose?


What is the most commonly used material for thermal spraying when it is used for corrosion protection?


Power tools, such as power wire brushes, can burnish or polish a steel surface. What is the main problem with this?


Why should the surface temperature of steel be at least 5 degrees higher than the dew point temperature before you blast-clean or paint?


True or false: The size of the steel shot used to shot-blast a concrete floor has no effect on the depth of the surface profile.


What US organization produces concrete surface profile chips to assess the level of profile achieved by surface preparation of concrete?


What is the effect on film build of increasing the solids content in a coating?


Which of the following statements about Material Safety Data Sheets (MSDS) for coatings is true?


When a coating is specified to have an 8-mil dry film thickness, and its volume solids is 59%, what should be the wet film thickness of the coating?


When spraying zinc rich coatings, why is it useful to have the spray pot or container positioned at or above the level of the work?


Which of the following cleaning techniques is least likely to remove soluble salts from a steel surface?


What is one typical duty of an inspector prior to the application of a primer?


Sharp edges on steel present special challenges to the coating applicator for what reason?


True or false: In abrasive blasting, the harder the abrasive, the deeper the profile it is likely to generate.


What application technique is likely to cause the most overspray?


Which of the following statements about SSPC-SP 11, Power Tool Cleaning to Bare Metal, is correct?


A White Metal Blast, SSPC-SP 5, allows what to remain on the surface after blast cleaning?


What would be the most likely result of excessive profile on a steel substrate after abrasive blasting?


In general, when is it better to use impact (needle gun, roto peen) rather than rotary (wire brush, coated abrasive) power tools?


True or false: Potable water in a UHP water jetting system is normally of sufficient cleanliness that it will not deposit detrimental contaminants on a steel surface.


Dried salt deposits on a brick exterior (see photo), resulting from moisture leakage through a wall, are called what?


What is involved in “zone painting” of a structure?


How can air abrasive blasting with sponge media create a profile on steel?


True or false: Chopped-up quills from goose feathers are used as abrasive to remove coatings from sensitive substrates.


Which of the following persons has conducted research and published articles in JPCL and elsewhere on flash rusting after water jetting?


Windy conditions during spray application of coatings would be most likely to cause which of the following paint defects?


In air abrasive blasting operations, how is a moisture separator or filter used?


How can paint be made conductive for electrostatic spraying?


True or false: Federal law requires that Material Safety Data Sheets (MSDS), also know as a Product Safety Data Sheet, be published by coating manufacturers for their products, and that employers have these data sheets on hand in the workplace.


Among the choices below, what is the best tactic for ventilating a confined space containing paint solvents?


What check should you make first to find the cause of fish eyes in a coating film applied by air spray?


What is the purpose of inhibitors used in wet blast systems?


What is the most unique feature of a plural-component spray system?


What hazard is unique to airless spray systems?


To totally remove coatings from brick and at the same time to minimize substrate damage and avoid generation of airborne dust, which of the following surface preparation methods makes the most sense?


What is most likely to help you achieve the specified profile on the steel you are blast cleaning?


A conductivity meter can be used to check for what contaminant on abrasive?


How is film build normally achieved during the thermal spray process?


When airless spray painting, use a tip with a larger orifice for:


In conventional air spraying, which of the following spray techniques is wrong?


Who produces product and application data sheets?


Which one of the following application methods has the highest range of transfer efficiency?


SSPC has how many surface preparation standards for various degrees of power tool cleaning?


According to ASTM D 6083, what should be the minimum dry film thickness for elastomeric acrylic cool roof coatings?


True or false: A research study by Roper, Weaver and Brandon indicated that the number of peaks in a steel surface profile created by abrasive blast cleaning affects coating performance.


True or false: CO2 blasting can produce a profile on steel.


Which of the following is not used for measuring the surface profile of cleaned steel?


Why do some product data sheets for coatings require that the surface temperature of the substrate be at least 5 Fahrenheit degrees higher than the dew point temperature?


Which of the following surface preparation methods for concrete produces the largest surface profile?


ICRI recommends how much surface profile in its surface preparation requirements for polymer overlays on concrete?


Some types of spray painting equipment achieve higher transfer efficiency than others. What is transfer efficiency?


True or false: In preservation work on historic structures, abrasive blasting is normally recommended by conservators for coating removal from brick substrates.


What is the main reason for a sieve analysis of abrasive?


Abrasive blast cleaning to remove lead-based paint is governed by what EPA regulation?


Surface profile on steel, measured as peak-to-valley height of the roughness, has several other names, including which of the following.


Which of the following abrasive types is normally the hardest?


True or false: To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.


When assessing the moisture content of wood with a suitable moisture meter, what level of moisture is generally considered the upper limit for successful painting?


Working at what height invokes OSHA's Construction Industry Fall Protection Standard (29 CFR 1926 Subpart L), requiring controls for fall hazards?


What is abrasive friability?


SSPC Environmental Exposure Zone 3E, "Chemical Atmospheric Exposure, Severe," includes all but which one of the following exposure types in its description?


True or false: Gloss level is the main measure of slipperiness in a polished concrete floor.


How many of SSPC's surface preparation standards describe the results of power tool cleaning of steel?


Which of the following is a destructive film-thickness measurement instrument?


True or false: This scaffold is compliant with OSHA requirements.


A needle scaler is what type of power tool?


True or false: Both relative humidity and temperature differentials from one side to the other can drive moisture vapor through a block wall.


Which of the following can cause excessive surface profile?


Which of the following terms is out of place in the list?


How can a hygrothermometer be useful in coating work?


A wet sponge holiday detector uses what level of voltage?


How are water and abrasive combined in wet abrasive blasting?


True or false: The SSPC surface preparation standards were numbered according to the chronological order in which they were adopted, not according to their degree of thoroughness.


True or false: In surface preparation operations, hackles are most likely to be formed on steel substrates when the blast abrasive is steel shot.


Which of the following persons is a noted consultant on waterjetting technology used for surface preparation?


True or false: An abrasive metering valve should feed abrasive at 90 degrees into the air stream of an abrasive blasting system.


In what kind of spray application do the coating particles tend to wrap around edges of the substrate?


Rotating flaps with hard metallic tips is a component of what piece of surface preparation equipment?


In addition to steel abrasives, which of the following can be considered for reclamation and reuse?


What organization has surface profile coupons that replicate the degrees of surface profile achieved by surface preparation on concrete floors?


Embedment of abrasive grit is a problem often encountered in surface preparation of stainless steel.


Where would you expect to find an air wash separator?


True or false: Sealing of a porous aluminum or zinc thermal spray coating can be accomplished naturally through oxidation.


True or false: SSPC has a standard for measuring dry film thickness on concrete substrates.


What is one main purpose of a deadman switch on a blasting system?

(Question submitted by KVG, a PaintSquare News subscriber)


True or false: Dehumidification equipment is sometimes used to "hold the blast" inside a tank.


True or false: Wet abrasive blast cleaning systems operate at pressures ranging approximately from 5,000 to 40,000 psi.


True or False: SSPC has a qualification procedure and certification program for companies that manufacture inspection instruments.


Burnishing, polishing, and abrasive blasting are examples of what?


True or false: On lattice-type electric transmission towers, airless sprayers are often the main paint application tool.


True or false: A moisture content of 30%, as measured by a moisture meter, is generally considered the upper limit for successful painting of wood.


Which of the following parameters affects the depth of the surface profile when steel is cleaned by abrasive blasting?


True or false: Thermoplastic powders can be applied by thermal spray.


Common surface imperfections, as opposed to contaminants, in newly placed concrete that deserve attention in surface preparation operations include all but which one of the following?


Which of the following can be a driving force for water absorption through a paint film to a steel substrate?


Which of the following materials is not used to create abrasive media for a blast cleaning system?


Which of the following is an advantage of using steel shot rather than steel grit in a blasting system?


What advantage does a high-volume, low-pressure spray system have?


Which of the following are thermal spray coatings?


Which of the following phrases describes slurry blasting?


What is scarifying?


 
 
   

**Commercial white papers, product videos, and other sponsored documents posted on this site are paid content from third-party companies; inclusion and posting on this site does not imply an endorsement nor recommendation of the content by Technology Publishing/PaintSquare. By signing in and viewing or downloading this paid content, you agree to make your name and full contact information available to the sponsor of the content.

Advertisements
 
NLB Corporation

 
Sauereisen, Inc.

 
Opta Waterdown, Inc.

 
Norton Sandblasting Equipment

 
Thomas Industrial Coatings, Inc.

 
base painters

 
Paint BidTracker

 
Modern Safety Techniques

 
Axxiom Manufacturing

 
Tarps manufacturing, Inc.

 

Technology Publishing Co., 1501 Reedsdale Street, Suite 2008, Pittsburgh, PA 15233

TEL 1-412-431-8300  • FAX  1-412-431-5428  •  EMAIL webmaster@paintsquare.com


The Technology Publishing Network

PaintSquare the Journal of Protective Coatings & Linings Paint BidTracker

 
EXPLORE:      JPCL   |   PaintSquare News   |   Interact   |   Buying Guides   |   Webinars   |   Resources   |   Classifieds
REGISTER AND SUBSCRIBE:      Free PaintSquare Registration   |   Subscribe to JPCL   |   Subscribe to PaintSquare News
MORE:      About PaintSquare.com   |   Privacy Policy   |   Terms & Conditions   |   Support   |   Site Map   |   Search   |   Contact Us