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Electrical Cables

Electrical Cables
The bedding on a cable consists of

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

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Electrical Cables
In single core cables armouring is not done to

None of the listed here
Make it flexible
Avoid excessive sheath losses
Either of the listed here

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Electrical Cables
Conduit pipes are normally used to protect ________ cables.

PVC sheathed cables
Unsheathed cables
All of the listed here
Armoured

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Electrical Cables
The advantage of cables over overhead transmission lines is

Can be used in congested areas
Low cost
Easy maintenance
Can be used in high voltage circuits

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

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Electrical Cables
In a cable the voltage stress is maximum at

Sheath
Insulator
Surface of the conductor
Core of the conductor

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