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Electroplater
ZINC PLATING 2
Set 8
Set 8
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Q6155
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Which is the defect that the porous deposits dark in colour in silver plating?
A
Excessive current density
B
Low current density
C
Deficiency of potassium cya
D
Excess potassium cyanide
Q6156
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Why silver strike process is recommended before silver plating?
A
Excellent adhesion
B
Bonding process
C
Heavy deposition
D
For cleaning
Q6157
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Why bright silver solution is recommended for plating?
A
decorative finish
B
Dull finish
C
High speed production
D
Heavy deposition
Q6158
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Which is used as anode in gold plating?
A
Platinum coated titanium
B
Nickel anode
C
Copper anode
D
Silver anode
Q6159
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Which is the term used for flash gold plating of ornaments?
A
Gilding
B
Sliding
C
Rolling
D
Scaling
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