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Electroplater
Electroplater Set-1
Gold plating
13

Gold plating MCQ with Answers

13) Which process is used for colouring the job after zinc plating?

Bright Blue passivation

Activating

Coating

Painting

Answer is:

Bright Blue passivation

Gold plating MCQ with Answers

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Related Gold plating MCQ with Answers

14) Which is the defect if zinc depositing rough and dark?

Deficiency of cyanide and caustic soda

Voltage fluctuation

Size of Anode more

Long time

Answer is:

Deficiency of cyanide and caustic soda

15) Which is the defect if presence of blisters in the plating surface?

Excessive current

Long time

Excessive voltage

Solution out of balance

Answer is:

Solution out of balance

16) Which is cadmium?

White metal

Soft green metal

Soft red metal

Hard yellow metal

Answer is:

White metal

17) Which is protected by cadmium plating?

Salt water

Hot water

Heavy water

Polluted water

Answer is:

Salt water

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