QUESTION:Which of the following is true of coatings? Coatings:POSSIBLE ANSWERS:Protect and decorate a finished surface.Result in increased surface roughness.Should be applied before other finishing.Rotate an abrasive wheel against a surface.
Question
QUESTION:Which of the following is true of coatings? Coatings:POSSIBLE ANSWERS:Protect and decorate a finished surface.Result in increased surface roughness.Should be applied before other finishing.Rotate an abrasive wheel against a surface.
Solution
The correct answer is: Protect and decorate a finished surface.
Coatings are often applied to surfaces to protect them from damage such as scratches, corrosion, or weathering. They can also be used to enhance the aesthetic appeal of a surface by adding color, gloss, or texture.
The other options are not typically true of coatings. They do not inherently increase surface roughness - in fact, they often make a surface smoother. They are usually applied as a final step in the finishing process, not before other finishing. And they do not involve rotating an abrasive wheel against a surface - that describes a process like grinding or sanding, not coating.
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