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Daily Quiz (153)


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: Cathodic protection of steel pipe is sometimes achieved with anodizing.


True or false: The words “hardening” and “curing” of coatings have the same meaning, according to a recent JPCL article.


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?


True or false: The installed cost of thick-film resinous coating systems, such as high-build epoxies and polyureas, on concrete floors ranges from $3.50 to $7.00 per square foot, according to a recent D+D In Depth article.


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?


If a mural fools the eye, what is the name of the technique used to create it?


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.


Which of the following coating adhesion tests is the least quantitative?


Which of the following is not classified as an additive in a coating formulation?


True or false: A clear polyurethane used to seal a coated concrete surface should exhibit maximum turbidity.


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: Polyaspartic coatings cure more quickly than polyureas.


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.


In concrete polishing work, an appearance defined as a Level 4 sheen and a cream aggregate exposure is the most expensive to produce.


True or false: Bugholes can be caused by oil and grease on the surface being coated.


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


What coating material would be least likely to be specified for high heat applications?


True or false: It is better to use a pull stub than a dolly on pull-off adhesion testing.


Cutter bundles are used on what devices?


Which process aims to depict a building at a particular time in its history by preserving materials from the period of significance and removing materials from other periods?


What is the content of the non-mandatory appendix of SSPC-SP 1, Solvent Cleaning, added during the 2015 revision of the standard?


Meters for determining moisture content of concrete slabs are based on what principle of operation?


True or false? Inorganic zinc pre-construction primers for shipbuilding normally have more zinc content than inorganic zinc primers applied after fabrication.


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.


True or false: Some organic zinc-rich coatings have silicate binders.


What organization will present the 2016 Symposium on Building Envelope Technology?


Micaceous iron oxide provides what type of anti-corrosion protection to coatings?


According to the Coatings Encyclopedic Dictionary (originally published by the FSCT, now part of the American Coatings Association), "Venetian mosaic" is a synonym for what?


Which one of the following coating types is the least commonly used as an air barrier?


A mandrel is used to test what coating characteristic?


True or false: Color and gloss retention is one of the main strengths of anodizing on aluminum.


True or false: Inorganic zinc-rich coatings are very resistant to solvents and oils.


True or false: Aliphatic polyurea coatings provide UV stability for their elastomeric properties but not for color and gloss retention.


True or false: Crystalline waterproofing materials can be used only after concrete cures.


True or false: Methyl methacrylate (MMA) resinous flooring systems should not be applied at temperatures below 40 degrees F.


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


True or False: Anodizing provides excellent corrosion resistance in coastal settings.


True or false: Silanes are classified as semi-permanent anti-graffiti coatings.


Among the performance properties of polyureas, according to a JPCL article by O’Donoghue and Datta, which of the following is the weakest?


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


True or false: SSPC and NACE recently worked cooperatively to revise their standards on measuring dry film thickness of coatings.


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


True or false: Parking decks are always sealed with penetrating sealers.


True or false: A hygro thermometer is used to measure the moisture content and temperature of insulation on hot piping.


True or false: Calcium sulfonate alkyds are non-toxic, inhibitive primers.


What organization provides education and certification for concrete slab moisture testing technicians?


Cementitious, fire-resistive coatings for unexposed structural steel in buildings often contain which of these materials?


Which of the following organizations provides information about good practice in the selection and use of sealants in expansion joints?


True or false: The threat of mud cracking in highly pigmented paints applied at high film builds is likely to be diminished in coating films that employ spherical pigments.


Barrier protection can be achieved in a coating with all but which of the following means?


The San Francisco-Oakland Bay Bridge was just recognized as the 2015 Outstanding Structure Award from what industry association?


What organization recently published a technology update on fluoropolymer coatings?


What is the name of the technique used to assess environmental impacts associated with all the stages of a product's life from cradle to grave?


What type of polyurethane yellows and chalks in direct sunlight?


What is the name of a British publication on coating defects?


True or false: An extract from fish scales is used to create a mother-of-pearl effect.


True or false: According to the Coatings Encyclopedic Dictionary, “patina” is defined in part as “a thin layer of corrosion, usually green or brown."


True or false: The “Cold Wall Effect” on tank linings refers to a temperature differential between the ambient air outside the tank and the temperature of the product stored inside.


Pressurized pots are used for what type of spray painting?


Alkyds are a specific type of what broader class of resins?


What type of corrosion is characterized by a definite thread-like structure and directional growth under coatings on steel?


True or false: Thick-film, epoxy novolac coatings are sometimes recommended for railroad tank cars carrying crude oil.


Sulfate-reducing bacteria contribute to corrosion by what mechanism?


White rust appears on which of the following substrates?


True or false: “Solvent pop” occurs because of hackles in a steel substrate.


True or false: Breathable coatings often incorporate platey pigments.


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.


True or false: Polypropylene powder is sometimes applied by flame spray to create a field joint coating system for transmission pipeline.


A thin, pasty liquid used for adhering gold leaf and filling surface imperfections is called what?


Which of the following is not an inhibitive pigment used in coatings for corrosion control?


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


True or false: Oil contamination of the atomizing air in an air spray system can cause fish eyes in the coating film.


Which of the following isocyanates is used in polyurethane coatings?


High ratio calcium sulfonate alkyds are recommended by some coating specialists for what kind of service?


What polymer concrete resin is based on an alcohol derived from agricultural wastes such as rice and oat hulls and corn cobs?


True or false: TDI and MDI are aromatic isocyanates.


In coatings work, what is a limpet cell?


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


True or false: An epoxy ester coating is a single-package material.


True or false: In paint failure analysis, gas chromatography-mass spectroscopy is normally used to detect and identify volatile or semi-volatile materials.


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


What coating type is used to penetrate and line the pores of concrete to achieve water repellency?


What is an alternative to hot potting?


True or false: The ASTM standard for moisture mitigation systems on concrete slabs for use under resilient flooring requires that the coating system have a permeance of 6 perms or less.


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: When dissimilar metals are in contact in the presence of an electrolyte, the more noble metal will experience galvanic corrosion.


Which of the following is not the subject of an SSPC Qualification Procedure (QP)?


True or false: SSPC has a qualification procedure (QP) to assure the qualifications of installers of liquid-applied air barriers.


According to Fred Goodwin, one of JPCL’s Top Thinkers, the three Ds negatively affecting the durability of concrete are deterioration, damage and ... what else?


True or false: A dilatant paint is said to be thixotropic.


True or false: Coatings based on silicone resins have little resistance to chalking.


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


True or false: Osmotic blisters are likely to be filled with liquids that contain solvents or salts.


What level of voltage does a wet sponge holiday detector employ?


True or false: Power tool cleaning is effective in removing soluble salts from a steel substrate.


True or false: Siloxane sealers are normally applied to concrete substrates in film thicknesses of two to three mils.


True or false: Coatings that form a film by coalescence are two-component materials.


True or false: Inorganic zinc-rich coatings, left untopcoated, decrease in barrier protection over time.


True or false: PVDF resins can be emulsified in water to create a single-component, ambient-cured, fluoropolymer coating.


True or false: SSPC’s technology update on overcoating says that failure by delamination is a minor risk.


True or false: ASTM has separate test methods for steel and concrete substrates in determining the pull-off adhesion of coatings.


What kind of concrete sealers penetrate the pores of the concrete and form little, if any, film build?


Micaceous iron oxide is a pigment providing what kind of properties to protective coatings among the choices listed?


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: Some moisture meters for concrete are based on AC impedance.


True or false: An inorganic zinc-rich primer can be topcoated as soon as it is dry.


True or false: According to a recent JPCL article, application of silicone foul-release coatings presents numerous problems that need to be overcome.


What kind of corrosion is caused by the formation and collapse of bubbles?


True or false: A polysiloxane is an aliphatic polyurea.


True or false: Calcium aluminate mortars are sometimes used as linings for rehabilitation of manholes.


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


True or false: A black light test can detect certain oil films on a bare steel substrate.


True or false: There are both pneumatic and electric remote controls for air abrasive blast systems.


True or false: A polyaspartic coating is an aliphatic polyurea.


Certain machine guns, like the old Thompson sub-machine gun, are called chopper guns. What is a chopper gun in coatings work?


True or false: According to a recent JPCL article, foul-release hull coatings can be divided into hard and soft technologies.


True or false: Inorganic zinc-rich primers should be topcoated as soon as they appear to be dry.


True or false: Non-osmotic blisters can develop in coatings on concrete floors.


True or false: The greater the permeability of a coating on concrete, the more effectively it will perform.


What mechanism of corrosion protection does zinc phosphate provide to coatings?


True or false: Plastic shrinkage cracking of concrete can occur during the first few hours after placement.


True or false: Some alkyd formulations will not undergo saponification if applied to high-pH substrates.


True or false: The Maritime Environment Protection Committee (MEPC) is a committee of the United Nations.


What is a common term for osmotic blistering of coatings due to thermal gradients?


True or false: Certain coating types can saponify on galvanized surfaces with elevated alkalinity.


If coatings were removed before abrading a concrete floor slab to conduct the ASTM anhydrous calcium chloride test, how much time must elapse between grinding and conducting the test?


True or false: Abrasive particle size, shape, and hardness all have an impact on the creation of surface profile.


Ammonium polyphosphate is most likely to be found in what type of coating?


What do HUNKOR and CEFRACOR have in common?


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


True or false: An ASTM subcommittee is working on a proposed standard to test the slip-coefficient properties of coatings used in slip-critical bolted connections.


True or false: Abrasive blast particles in an air abrasive blast system using a venture nozzle can achieve speeds of 450 mph or higher.


True or false: OSHA’s work practice controls to minimize exposure to hazardous materials, such as toxic dust, can include, in most instances, job rotation.


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?


What is the relationship between a discontinuity and a holiday in a coating?


True or false: Coating maintenance options after condition assessment can include spot repair, spot repair with full overcoat, and complete removal and replacement of the coating.


Among the various types of anti-foulings for ships, what are foul-release coatings?


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


What kind of test was developed by Frederick Knoop and colleagues?


What SSPC/NACE blast cleaning standard is equivalent to Sa 2, Thorough Blast Cleaning, in ISO 8501-1?


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


 
 
   

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