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Electrical Cables

Electrical Cables
Empire tape is

None of the listed here
Varnished cambric
Vulcanized rubber
Impregnated paper

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Electrical Cables
In the cables, the location of fault is usually found out by comparing

The resistance of the conductor
All of the listed here
The capacitances of insulated conductors
The inductance of conductors

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Electrical Cables
Dielectric strength of rubber is around

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

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Electrical Cables
If a power cable and a communication cable are to run parallel the minimum distance between the two, to avoid interference, should be

30 cm
20 cm
50 cm
100 cm

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Electrical Cables
Cables for 220 kV lines are invariably

Compressed oil or compressed gas insulated
Paper insulated
Mica insulated
Rubber insulated

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Electrical Cables
Which of the following insulation is used in cables?

Rubber
Paper
All of the listed here
Varnished cambric

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MORE MCQ ON Electrical Cables

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