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Electroplater
Electroplater Set-1
PCB making and Chemical etching process
6

PCB making and Chemical etching process MCQ with Answers

6) How long time is required for antimony electroless plating on steel?

1 to 7 minute

5 to 8 minute

10 to 20 minute

21 to 30 minute

Answer is:

10 to 20 minute

PCB making and Chemical etching process MCQ with Answers

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Related PCB making and Chemical etching process MCQ with Answers

7) What is the use of aluminium plating?

Automobiles/ Aircraft industry

Electrical industries

Glass industries

Foundry industries

Answer is:

Automobiles/ Aircraft industry

8) Which dipping solution is used before aluminium plating?

Bondal cleaner solution

Mercury solution

Aluminium solution

Aluminium metal solution

Answer is:

Bondal cleaner solution

9) Which solution is used for zincate dipping (immersion)?

Aluminium solution

Acid solution

Alkaline solution

Aluminium oxide solution

Answer is:

Alkaline solution

Explanation:

Alkaline solution is used for zincate dipping (immersion).

10) Which defects occurs with aluminium plating?

Hard coating

Oxide prevent coating

Smooth coating

Dark coating

Answer is:

Oxide prevent coating

PCB making and Chemical etching process MCQ with Answers

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