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Electrical Cables

Electrical Cables
Cables, generally used beyond 66 kV are

S.L. type
Belted
Armoured
Oil filled

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Electrical Cables
If the length of a cable is doubled, its capacitance

Becomes one-fourth
None of the listed here
Becomes one-half
Becomes double

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Electrical Cables
In cables the charging current

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

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Electrical Cables
In the cables, sheaths are used to

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

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

Power factor
Voltage
Current carrying capacity
Reactive power

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Electrical Cables
In a cable the voltage stress is maximum at

Sheath
Core of the conductor
Surface of the conductor
Insulator

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MORE MCQ ON Electrical Cables

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