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Daily Quiz (13)


True or false: When a cold-weather coating is used to coat steel in temperatures below freezing, it is not necessary for the surface temperature of the steel to be at least 5 degrees Fahrenheit above the dew point temperature.


True or false: According to a D+D article, most SPF systems can be installed at substrate temperatures from 30 degrees to 180 degrees Fahrenheit.


True or false: Red iron oxide pigment is stable at temperatures of 500 degrees Fahrenheit.


The surface temperature of steel should be how much higher than the dew point temperature before you blast clean or paint?


What term is used to describe the temperature at which the non-crystalline portion of a polymer is transformed from a rubbery material to a brittle, glass-like material?


True or False: Relative humidity at the surface of bridge steel may be different from the relative humidity in the atmosphere away from the steel surface.


Which of the following pigments is most stable at high temperatures (above 500°F)?


Why do some product data sheets for coatings require that the substrate surface temperature be at least 5° F higher than the dew point temperature?


Why should the surface temperature of steel be at least 5 degrees higher than the dew point temperature before you blast-clean or paint?


True or false: Metal in direct summer sunlight will never be too hot to paint when the ambient temperature is 90 F.


What is the effect of air temperature on the pot life of a two-component coating?


Why should the surface temperature of steel be at least 5 degrees higher than the dew point temperature before you blast-clean or paint?


Why do some product data sheets for coatings require that the surface temperature of the substrate be at least 5 Fahrenheit degrees higher than the dew point temperature?


 
 
   

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