Daily Quiz (16)


True or false: SSPC publishes a standard procedure for describing the size and density of the blisters so that comparisons of severity can be made.


True or false: There are several possible causes of non-osmotic blistering of coatings.


What is the term used to describe blistering of paint films immersed in sea water caused by the force of an electrical potential gradient?


What force drives water through a coating film on metal to produce blisters?


True or false: Some causes of blistering of concrete floor coatings are air entrapment in pores of the concrete, osmotic pressure and insufficient cleaning of the concrete surface.


What organization publishes a standard procedure for describing the size and density of the blisters so that comparisons of severity can be made?


True or false: SSPC has a test method for evaluating the degree of blistering on painted steel substrates.


True or false: Osmotic blistering of coatings on steel substrates can be caused by chloride contamination on the steel prior to painting.


True or false: If there are non-burst blisters in a tank lining, the lining must be immediately replaced.


True or false: Solvent entrapment within a coating can cause the formation of blisters.


True or false: Osmotic blisters are likely to be filled with liquids that contain solvents or salts.


True or false: Non-osmotic blisters can develop in coatings on concrete floors.


What is a common term for osmotic blistering of coatings due to thermal gradients?


Blistering of a coating suggests what type of non-visible contaminant on the surface of a steel substrate?


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


Which of the following is a likely cause of blistering of coatings?


 
 
   

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