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Electroplater
COPPER PLATING
Set 10
Set 10
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Q5174
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Where the conventional bright chromium plating type is employed?
A
Electronic components
B
Automobile fitting
C
Electrical contacts
D
Flatware industries
Q5175
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Which is used for the suspension of articles to be bright chromium plated?
A
Bus bars
B
Steel iron rods
C
Jigs (or) Racks
D
Iron angles
Q5176
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Which defect occurs due to inefficient contacts of articles in bright chromium plating?
A
Brown stains on deposit
B
Dull, grey, rough deposit
C
Blistered deposits
D
Little chromium deposit on the article
Q5177
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Which type of plating is applied for rotating mechanical parts?
A
Bright chromium plating
B
Hard chromium plating
C
Brass plating
D
Copper plating
Q5178
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What is the range value of chromic acid used for high speed hard chromium plating solution?
A
100 g/l to 150 g/l
B
200 g/l to 225 g/l
C
250 g/l to 300 g/l
D
300 g/l to 325 g/l
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