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Electrical Cables

Electrical Cables
Low tension cables are generally used up to

600 V
400 V
1000 V
200 V

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Electrical Cables
In cables the charging current

Lags the voltage by 180°
Lags the voltage by 90°
Leads the voltage by 90°
Leads the voltage by 180°

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Electrical Cables
The thickness of the layer of insulation on the conductor, in cables, depends upon

Power factor
Reactive power
Voltage
Current carrying capacity

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Electrical Cables
The relative permittivity of rubber is

Between 8 and 9
None of the listed here
Between 2 and 3
Between 5 and 7

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Electrical Cables
The bedding on a cable consists of

Jute
None of the listed here
Hessian cloth
Both Hessian cloth and Jute

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Electrical Cables
Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ?

Impregnated paper
Polyvinyle chloride
Compressed SF6 gas
Vulcanised rubber

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MORE MCQ ON Electrical Cables

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