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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.


 
 
   

Park Derochie Coatings Ltd.
www.ParkDerochie.com

Coatings          Fireproofing
Sandblasting     Scaffolding
Metalizing           Insulation

• Shop & Field Services
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• NACE Inspectors on staff
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Safway Services
One Source. Every Solution.

The Safway Group is your source for multiservices. Painting, coating, insulation and more – all from the most trusted name in the industry.


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.


Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800


CHLOR*RID International Inc.
Free Webinar

Learn about soluble salts, along with a discussion on allowable levels.
More information at
www.chlor-rid.com,

800-422-3217


HoldTight Solutions Inc.
NO FLASH RUST -
NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust preventer prevents flash rust by removing surface contaminants. It has no equal; only wannabees.
Contact us for your
nearest distributor.
(800) 319.8802 sales@holdtight.com


SEMicro Division, M.E. Taylor Engineering, Inc.
Coatings Adhesion Testers

The PATTI® accurately measures the bond strength between coating & substrate. Outfitted properly, the surface can be rough, porous, or curved & >10K psi strong!


Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


DRYCO
Climate Control...delivered.

Temporary climate control equipment. Dehumidifiers,
Heaters, A/C, Power, More…
Call: 866-379-2600


Carboline Company
Fireproofing Solutions

Pyroclad® X1 Thermo-Lag® Pyrocrete® – protecting against hydrocarbon and jet fires, explosions, and cryogenic spills.

 
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