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ISRO
ISRO Technician-B
Electroplater
ISRO Technician-B Electroplater 2017
60

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

60) Which is a neutral salt

Sodium chloride

Copper sulphate

Sodium carbonate

None

Answer is:

Sodium chloride

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

61) The 'Robber' or 'Thief' used in an electroplating bath is

An auxiliary anode

A neutral electrode

An auxiliary cathode

An inert shield

Answer is:

An auxiliary cathode

62) For silver plating of all the external surfaces of a solid cylinder with 5 cm diameter and 12 cm length, the total current required is _____, if the current density applied is 2.5 Amp/dm2.

2.28Amps.

22.8 Amps.

5.69 Amps.

56.9 Amps.

Answer is:

5.69 Amps.

63) Zincating is required for electroplating on

Titanium

Stainless steel

Zinc

Aluminium

Answer is:

Aluminium

64) _____ of light is responsible for producing rainbows.

Refraction

Illusion

Diffraction

Interference

Answer is:

Refraction

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

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