Daily Quiz (9)


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


True or false: According to OSHA regulations, Threshold Limit Values are required limits on exposure to airborne contaminants.


True or false: The anhydrous calcium chloride test can measure the level of salt contamination on concrete substrates.


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


Which of the following alternatives is an engineering control for an air-contaminant workplace hazard?


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


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


What is the name of a small, bowl-shaped depression in a coating at a point of contamination on the surface?


True or false: SSPC Guide 15 details how to test for the presence of chlorides on concrete substrates.


 
 
   

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