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Question

Electrostatic spray deposition is the process involved in .

A
anodizing
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B
powder coating
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C
sintering
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Solution

The correct option is B powder coating
Electrostatic spray deposition is a process involved during powder coating. Powder coating is a method to prevent corrosion in metals.

In this method, a polymer resin, a pigment and some ingredients are melted, mixed, cooled and grounded into a uniform powder. This powder is then sprayed on the metal surface by electrostatic spray deposition (ESD) and the metal is then heated. This results in a formation of a layer that helps in the prevention of rusting.

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