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Electroplater
Electroplater Set-1
Barrel plating methods for all type plating
27

Barrel plating methods for all type plating MCQ with Answers

27) Which material, Tin coating is used for corrosion resistance?

Steel

Gold

Aluminium

Silver

Answer is:

Steel

Barrel plating methods for all type plating MCQ with Answers

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Related Barrel plating methods for all type plating MCQ with Answers

28) Which is the current density for acid bath?

2.0 to 2.5 A/dm²

1.0 to 2 A/dm²

5.0 to 5.5 A/dm²

9.0 to 9.5 A/dm²

Answer is:

1.0 to 2 A/dm²

29) Which is the chemical symbol of tin?

Sb

Sn

Se

Sa

Answer is:

Sn

30) Which is prevented by tin coating?

Rust formation

Hardness

Brittleness

Heat exposure

Answer is:

Rust formation

31) Which solution is used for stripping of tin plating?

Copper sulphate and H₂SO₄

Copper nitrate and HNO₃

Copper carbonate and HCL

Cyanide and acid

Answer is:

Copper sulphate and H₂SO₄

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