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Electroplater
PCB MAKING AND CHEMICAL ETCHING PROCESS
Set 6
Set 6
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Q5517
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What is anodising?
A
Anodic oxidation of aluminium
B
Cathodic oxidation
C
Aluminium oxidation and reduction
D
Cathodic protection and reduction
Q5518
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What is the purpose of anodising?
A
Resistance to corrosion
B
Conductivity
C
Increase density
D
Cleaning the surface
Q5519
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Which solution is used for anodized coating?
A
Hydrochloric acid
B
Hydrofloric acid
C
Sulphuric acid
D
Carbonic acid
Q5520
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Which type of coating is to be done on the article before colouring?
A
Anodizing
B
Painting
C
Dipping
D
Phosphating
Q5521
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Which process is used for colour effect on the article ?
A
Stopping of process
B
Cleaning process
C
Dipping process
D
Pickling process
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