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Electroplater
PCB MAKING AND CHEMICAL ETCHING PROCESS
Set 11
Set 11
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Q5542
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Which coating is tested by salt spray test?
A
Nickel coating
B
Zinc coating
C
Chromium coating
D
Tin coating
Q5543
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Which quantity of electroplated metal coating is measured by BNF test?
A
Thickness
B
Weight
C
Size
D
Base metal
Q5544
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Which corrosion resistance test is used to simulate the type of corrosion occur on Nickel chromium coating?
A
Calcium test
B
Corrod kote test
C
Salt spray test
D
Sulphur-di-oxide test
Q5545
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Which type of test is used to check the cadmium deposition?
A
Porosity test
B
Salt spray test
C
Hot water test
D
Colour dipping test
Q5546
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Which material is used for salt spary testing?
A
NaCl
B
H2SO<sub>4</sub>
C
Na<sub>2</sub>SO<sub>4</sub>
D
NaCO<sub>3</sub>
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