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Electrical Cables

Electrical Cables
Pressure cables are generally not used beyond

66 kV
11 kV
132 kV
33 kV

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Electrical Cables
The inter sheaths in the cables are used to

Minimize the stress
None of the listed here
Avoid the requirement of good insulation
Provide proper stress distribution

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Electrical Cables
In a cable immediately above metallic sheath ________ is provided.

Earthing connection
None of the listed here
Bedding
Armouring

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Electrical Cables
The current carrying capacity of cables in D.C. is more than that in A.C. mainly due to

Nonexistence of any stability limit
Smaller dielectric loss
None of the listed here
Absence of harmonics

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Electrical Cables
In a cable the voltage stress is maximum at

Core of the conductor
Surface of the conductor
Insulator
Sheath

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Electrical Cables
Which of the following protects a cable against mechanical injury?

Sheath
None of the listed here
Bedding
Armouring

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