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Electroplater
Electroplater Set-1
Zinc plating – II
33

Zinc plating – II MCQ with Answers

33) Which is the reason that the silver plating is coated on copper?

It has low resistance

It is high resistance

It has low weight

It has high efficiency

Answer is:

It has low resistance

Zinc plating – II MCQ with Answers

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Related Zinc plating – II MCQ with Answers

34) Which is used as a lining material for silver plating tank?

Rubber lining

PVC lining

Plastic lining

Steel lining

Answer is:

Rubber lining

35) Which acid, the silver unable to resist?

Sulphuric acid

Citric acid

Nitric acid

Hcl acid

Answer is:

Nitric acid

36) Which is the defect that the porous deposits dark in colour in silver plating?

Excessive current density

Low current density

Deficiency of potassium cya

Excess potassium cyanide

Answer is:

Excessive current density

37) Why silver strike process is recommended before silver plating?

Excellent adhesion

Bonding process

Heavy deposition

For cleaning

Answer is:

Excellent adhesion

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