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Electrical Cables

Electrical Cables
In a cable, the maximum stress under operating conditions is at

Armour
Conductor surface
Insulation layer
Sheath

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Electrical Cables
The material for armouring on cable is usually

Galvanized steel wire
None of the listed here
Steel tape
Both Steel tape and Galvanized steel wire

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Electrical Cables
Low tension cables are generally used up to

600 V
400 V
1000 V
200 V

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Electrical Cables
Empire tape is

Vulcanized rubber
None of the listed here
Impregnated paper
Varnished cambric

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Electrical Cables
A cable carrying alternating current has

Hysteresis losses only
Hysteresis, leakage, copper and friction losses
Hysteresis, leakage and copper losses only
Hysteresis and leakage losses only

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Electrical Cables
The relative permittivity of rubber is

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

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MORE MCQ ON Electrical Cables

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