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Study MCQ
Electroplater
PCB MAKING AND CHEMICAL ETCHING PROCESS
Set 2
Set 2
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Q5497
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How long time is required for antimony electroless plating on steel?
A
1 to 7 minute
B
5 to 8 minute
C
10 to 20 minute
D
21 to 30 minute
Q5498
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What is the use of aluminium plating?
A
Automobiles/ Aircraft industry
B
Electrical industries
C
Glass industries
D
Foundry industries
Q5499
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Which dipping solution is used before aluminium plating?
A
Bondal cleaner solution
B
Mercury solution
C
Aluminium solution
D
Aluminium metal solution
Q5500
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Which solution is used for zincate dipping (immersion)?
A
Aluminium solution
B
Acid solution
C
Alkaline solution
D
Aluminium oxide solution
Q5501
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Which defects occurs with aluminium plating?
A
Hard coating
B
Oxide prevent coating
C
Smooth coating
D
Dark coating
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