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Electroplater
Electroplater Set-1
Phosphating, Powder coating and Metallizing
9

Phosphating, Powder coating and Metallizing MCQ with Answers

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).

Phosphating, Powder coating and Metallizing MCQ with Answers

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Related Phosphating, Powder coating and Metallizing MCQ with Answers

10) Which defects occurs with aluminium plating?

Hard coating

Oxide prevent coating

Smooth coating

Dark coating

Answer is:

Oxide prevent coating

11) Which solution is used for stripping cadmium deport from aluminium?

HNO3

H2SO4

Hcl

HF

Answer is:

HNO3

12) Where ABS plastic are used?

Mechanical

Battery industries

Toy factory

Textile industries

Answer is:

Mechanical

13) Which temperature, ABS plastic melts?

105 Degree Centigrade

110 Degree Centigrade

100 Degree Centigrade

120 Degree Faranheit

Answer is:

105 Degree Centigrade

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