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Electroplater
Electroplater Set-1
Hard Chromium Plating
2

Hard Chromium Plating MCQ with Answers

2) Which acid is used for pickling of mild steel?

Hydrochloric acid

Nitric acid

Sulphonic acid

Hydrofluoric acid

Answer is:

Hydrochloric acid

Hard Chromium Plating MCQ with Answers

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Related Hard Chromium Plating MCQ with Answers

3) Which power source is used in electroplating?

AC

Low DC

High AC

High DC

Answer is:

Low DC

4) Which is removed on metals by using acid pickling?

Oxide

Paints

Oil

Grease

Answer is:

Oxide

5) What is the unit of current density in electroplating?

Amp/ m²

Amp/Second

Amp/m

Amp/ Voltage

Answer is:

Amp/ m²

What is the unit of current density in electroplating?

6) Which depends on mass deposited as per Faraday's laws of electrolysis?

Current

Time

Current and Time

Voltage

Answer is:

Current and Time

Hard Chromium Plating MCQ with Answers

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