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Electroplater
Electroplater Set-1
Brass plating
20

Brass plating MCQ with Answers

20) Which the use of cadmium carbonate in the cadmium plating?

Increase cyanide content

Increase sodium carbonate

Decrease cyanide content

Decrease sodium carbonate

Answer is:

Increase sodium carbonate

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Related Brass plating MCQ with Answers

21) Which is the solution used for cadmium stripping?

Cold 10% solution of ammonium nitrate

Hot 10% solution of ammonium nitrate

Cold 20% solution of ammonium nitrate

Hot 20% solution of ammonium nitrate

Answer is:

Cold 10% solution of ammonium nitrate

22) Which is the name of cadmium plating solution composition for blue passivation?

Sodium di chromate and sulphuric acid

Sodium dichromate and Ammonium

Sulphuric acid and Ammonium

Nitric acid and Ammonium

Answer is:

Sodium di chromate and sulphuric acid

23) Which solution is used to test for porosity of cadmium and zinc coating?

1% volume of hydrochloric acid solution

2% volume of hydrochloric acid solution

3% volume of hydrochloric acid solution

4% volume of hydrochloric acid solution

Answer is:

1% volume of hydrochloric acid solution

24) Which is the reason tin cans are used to store the food than Iron?

Tin gives a shiny appearance

To make the vessel cheap

Tin less reactive than iron

To make vessel lighter

Answer is:

Tin less reactive than iron

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