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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.


 
 
   

N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


Novatek Corporation
Dustless Coatings Removal

Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead
standards.


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.


SAFE Systems, Inc.
Custom blast rooms
by SAFE Systems

Don't waste time and money "making do" with a "standard" design. Let us work with you to design and build the system that best fits your requirements.
Call 1-800-634-7278


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


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


DRYCO
Climate Control...delivered.

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


Abrasives Inc.
Check our Prices for Blast Abrasives

Faced with higher abrasive costs? We invite you to call & check our rates on Black Magic® coal slag and other quality blast materials. Abrasives Inc. 800-584-7524


Blastox/The TDJ Group, Inc.
Blastox - One Step
Lead Abatement

Don't waste money on added labor steps with other methods. Don't mix, meter or apply at the job-site. Avoid strict hazardous waste rules.
Let your painters paint


PreTox Products - NexTec, Inc.
GOT LEAD? Specify Pretox System products

The ONLY Lead Stabilizer Compatible with All Paint Removal Methods. Works with all Blast Media: Grits | Recyclable Abrasives | CO2 | Water | Power Tools | Etc. Call Dave Steffen at 800.338.8296.

 
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