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Daily Quiz (23)


True or false: The Transportation Research Board (TRB) has commenced a study on detection and remediation methods used to guard against the tendency of retained soluble salts to reduce the life of protective coatings on steel highway structures, including bridges and tunnels.


True or false: SSPC Guide 15 describes methods to analyze soluble salt content on steel and concrete.


What is the name of a rigid cell used to determine soluble salt concentrations on steel?


In coatings work, what is a limpet cell?


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


What is the name of the method 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: A Bresle patch is used to treat dynamic cracks in concrete, especially in secondary containment structures around tanks.


What is the name of the test for measuring soluble salt concentrations on steel surfaces prior to painting by applying a special patch to the substrate, injecting deionized water beneath it, and then extracting the water to measure its conductivity?


What instrument would you use to analyze soluble salt contamination on abrasives?


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.


ISO standard 8502, in Parts 5, 6, 9, and 12, is similar in content to what SSPC Guide?


Which of the following is a recognized method for removing soluble salts from a steel substrate to test concentration levels?


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: Ultra-high-pressure (UHP) water jetting is generally ineffective in removing soluble salts from steel substrates.


Which of the following cleaning techniques is most likely to remove soluble salts from a heavily pitted steel surface?


In its Technology Update on retrieving soluble salts from a steel substrate in the field, SSPC describes two methods. One is swabbing; what is the other?


Which technique would be least likely to remove soluble salts from a steel substrate?


Which of the following cleaning techniques is least likely to remove soluble salts from a steel surface?


Dried salt deposits on a brick exterior (see photo), resulting from moisture leakage through a wall, are called what?


In its Technology Update on retrieving soluble salts from a steel substrate in the field, SSPC describes two methods. One is swabbing; what is the other?


A crust of soluble salts, commonly white, deposited on the exterior of masonry facades, such as brick, is called what?


True or false: Soluble salts on a substrate beneath a coating can draw moisture through the coating and contribute to the formation of blisters.


True or false: Some coatings that perform poorly in the accelerated salt spray test (ASTM B 117) may provide good service in outdoor exposures.


 
 
   

NACE
The latest in Protective Coatings Technology

Examines every generic
type of protective coating
in detail, along with advantages and disadvantages of each. Add it to your library in print or ebook!


Novetas Solutions
Safer Abrasive! 100% Recycled Glass!

NO Free Silica, Beryllium or other human Toxins! Great White Metal Finish and safer than Slags!
Call us at 866-775- 6226


Park Derochie Coatings Ltd.
www.ParkDerochie.com

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Metalizing           Insulation

• Shop & Field Services
• SSPC Certified
• NACE Inspectors on staff
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SAFE Systems, Inc.
Portable Dust Collectors for Tough Environments

Trailer and skid-mounted models in numerous sizes, powered by electric and/or diesel. Sloped roofs, multiple dust inlets, high static, dampered fans. Lockable power & drive compartments.


CHLOR*RID International Inc.
Hold*Blast

*Provides outstanding
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*Easy to use and only pennies
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*Works with poor quality
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*Use for mist blasting, vapor
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  UHP WJ
*Leaves no residue and
  provides excellent adhesion.
  www.chlor-rid.com


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802 sales@holdtight.com


SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.


Waterjet Technology Association (WJTA)
2016 WJTA-IMCA Expo Nov. 2-3, New Orleans

See the latest advances in automated and handheld UHP waterjetting tools/systems for paint/coating removal, surface prep, industrial cleaning. Exhibits, live demos.


Hempel (USA) Inc.
Hempel Protective Coatings

Protect your investment from the inside out. With IMO, PSPC approved tank coatings solutions we give you tough, long lasting results that are tailored to meet your exact needs. Contact us at offshore@hempel.com today.


Axxiom Manufacturing
Revolutionary Units

By integrating Schmidt's Aftercoolers with our blast pots, these systems remove moisture from air and minimize equipment footprint on jobsite.
Call 1-800-231-2085

 
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