Q44
What is meant by vapor deposition?
A.
A wire or powder through melting flame is blown onto the surface to be protected
B.
Coating metal is vaporized electrically to deposit on the metals to be coated
AnswerC.
Hot rolling of two metals together to get a composite sheet
D.
Immersing native metal in a solution of the metal to be plated
Answer: Option B
Solution
Answer: Option B
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