ELECTRICAL CABLES QUIZ

In the cables, the location of fault is usually found out by comparing

The resistance of the conductor

The capacitances of insulated conductors

The inductance of conductors

All of the listed here

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High tension cables are generally used up to

132 kV

11 kV

33 kV

66 kV

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

Sheath

Armour

Conductor surface

Insulation layer

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Empire tape is

Impregnated paper

None of the listed here

Varnished cambric

Vulcanized rubber

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The breakdown voltage of a cable depends on

Working temperature

Time of application of the voltage

Presence of moisture

All of the listed here

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Underground cables are laid at sufficient depth

To avoid being unearthed easily due to removal of soil

All of the listed here

To minimize temperature stresses

To minimize the effect of shocks and vibrations due to gassing vehicles, etc.

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In the cables, sheaths are used to

None of the listed here

Prevent the moisture from entering the cable

Provide proper insulation

Provide enough strength

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Pressure cables are generally not used beyond

33 kV

132 kV

11 kV

66 kV

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The minimum dielectric stress in a cable is at

Armour

Bedding

Conductor surface

Lead sheath

TRUE ANSWER : ?
YOUR ANSWER : ?

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