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Electrical Cables

Electrical Cables
In a cable the voltage stress is maximum at

Surface of the conductor
Core of the conductor
Insulator
Sheath

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Electrical Cables
PVC stands for

Post varnish conductor
Positive voltage conductor
Pressed and varnished cloth
Polyvinyl chloride

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Electrical Cables
Empire tape is

Impregnated paper
None of the listed here
Vulcanized rubber
Varnished cambric

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Electrical Cables
In the cables, sheaths are used to

Prevent the moisture from entering the cable
Provide enough strength
None of the listed here
Provide proper insulation

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Electrical Cables
If a cable of homogeneous insulation has a maximum stress of 10 kV/mm, then the dielectric strength of insulation should be

10 kV/mm
15 kV/mm
5 kV/mm
30 kV/mm

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Electrical Cables
Dielectric strength of rubber is around

5 kV/mm
25 kV/mm
30 kV/mm
15 kV/mm

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MORE MCQ ON Electrical Cables

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