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ISRO
ISRO Technician-B
Electroplater
ISRO Technician-B Electroplater 2017
65

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

65) Woods Nickel plating is employed as undercoat to plate on

Copper

Stainless steel

Aluminium

Mild Steel

Answer is:

Stainless steel

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

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Related ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

66) Valency of Copper in Copper sulphate is

2

4

1

0

Answer is:

2

67) A _____ can resist pH change upon the addition of an acidic or basic component

Catalyst

Inhibiter

Buffer

Activator

Answer is:

Buffer

68) Which is the smallest potential, which can produce electrolytic deposition when applied to an electrolytic cell.

Standard electrode potential

Concentration potential

Hydrogen over potential

Deposition potential

Answer is:

Deposition potential

69) The oxidation number of Aluminium in Aluminium metal is

3

2

0

1

Answer is:

0

ISRO Technician-B Electroplater Question Paper - 2017 (Set - 1) with Answer Key

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