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Electroplater
Electroplater Set-1
Anodising
29

Anodising MCQ with Answers

29) Which type of coating is to be done on the article before colouring?

Anodizing

Painting

Dipping

Phosphating

Answer is:

Anodizing

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30) Which process is used for colour effect on the article ?

Stopping of process

Cleaning process

Dipping process

Pickling process

Answer is:

Stopping of process

31) Which solution is used for treatment after colouring?

Nickel acid and Boric acid

Copper oxide and Carbonate

Zinc and Zinc chloride

Hydrochloric acid

Answer is:

Nickel acid and Boric acid

32) Which is the cause if the article surface on dark stain during dyeing?

Dyestuff not soluble

In sufficient dyestuff

Dyestuff not dipping

High dyestuff

Answer is:

Dyestuff not soluble

33) Which process is used to colour film removal?

Coating

Bleaching

Dipping

Brushing

Answer is:

Bleaching

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