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Electroplater
PCB MAKING AND CHEMICAL ETCHING PROCESS
Set 8
Set 8
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Q5527
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Which type of process the conversion coating comes under?
A
Electrolyte process
B
Immersion process
C
Spraying process
D
Colouring process
Q5528
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What is the pH value of conversion coating solution?
A
2
B
1
C
4
D
3
Q5529
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Which is the processing step of chemical milling?
A
Stopping OFF
B
Swilling OFF
C
Dipping OFF
D
Degreasing OFF
Q5530
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Which type of passivation is used on stainless steel?
A
Brown and Black
B
Red and Green
C
Yellow and Blue
D
Red and Black
Q5531
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Which process is used before passivation?
A
Zinc and Cadmium plating
B
Nickel chrome plating
C
Powder coating
D
Phosphating
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