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Electroplater
Electroplater Set-1
Hard Chromium Plating
19

Hard Chromium Plating MCQ with Answers

19) Which chemical is used for vapour degreasing?

Trichloroethylene

Sodium carbonate

Trisodium phosphate

Sodium hydroxide

Answer is:

Trichloroethylene

Hard Chromium Plating MCQ with Answers

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Related Hard Chromium Plating MCQ with Answers

20) Which solution is used for alkaline cleaning?

Sodium carbonate

Trichloroethylene

Ammonium citrate

Sodium chloride

Answer is:

Sodium carbonate

21) Which solution is used for pickling of ferrous metal?

Hcl acid solution

HF acid solution

HNO₃ acid solution

H₂ SO₄ acid solution

Answer is:

Hcl acid solution

22) Which solution is used for pickling of non-ferrous metals?

H₂ SO₄ acid solution

HF acid solution

Nitric acid solution

Hcl acid solution

Answer is:

HF acid solution

23) Which solution is used for pickling of magnesium alloys?

Hydrochloric acid solution

Hydrofluoric acid solution

Nitric acid solution

Dilute sulphuric acid

Answer is:

Dilute sulphuric acid

Hard Chromium Plating MCQ with Answers

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