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Electrical Cables

Electrical Cables
High tension cables are generally used up to

132 kV
11 kV
33 kV
66 kV

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

Reactive power
Current carrying capacity
Power factor
Voltage

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Electrical Cables
The insulating material for a cable should have

High dielectric strength
All of the listed here
low cost
High mechanical strength

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Electrical Cables
Empire tape is

Varnished cambric
Vulcanized rubber
Impregnated paper
None of the listed here

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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
None of the listed here
Absence of harmonics
Smaller dielectric loss

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Electrical Cables
Copper as conductor for cables is used as

Hard drawn
Alloy with chromium
Hardened and tempered
Annealed

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MORE MCQ ON Electrical Cables

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