ELECTRICAL CABLES QUIZ

Empire tape is

Vulcanized rubber

None of the listed here

Varnished cambric

Impregnated paper

TRUE ANSWER : ?
YOUR ANSWER : ?

PVC stands for

Pressed and varnished cloth

Polyvinyl chloride

Positive voltage conductor

Post varnish conductor

TRUE ANSWER : ?
YOUR ANSWER : ?

The breakdown voltage of a cable depends on

Time of application of the voltage

Working temperature

All of the listed here

Presence of moisture

TRUE ANSWER : ?
YOUR ANSWER : ?

Is a cable is to be designed for use on 1000 kV, which insulation would you prefer ?

Impregnated paper

Compressed SF6 gas

Polyvinyle chloride

Vulcanised rubber

TRUE ANSWER : ?
YOUR ANSWER : ?

The advantage of cables over overhead transmission lines is

Can be used in high voltage circuits

Easy maintenance

Can be used in congested areas

Low cost

TRUE ANSWER : ?
YOUR ANSWER : ?

In single core cables armouring is not done to

Make it flexible

Either of the listed here

None of the listed here

Avoid excessive sheath losses

TRUE ANSWER : ?
YOUR ANSWER : ?

Pressure cables are generally not used beyond

33 kV

66 kV

132 kV

11 kV

TRUE ANSWER : ?
YOUR ANSWER : ?

The insulation of the cable decreases with

None of the listed here

Both of the listed here

The decrease in the length of the insulation

The increase in length of the insulation

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Power factor

Current carrying capacity

Voltage

Reactive power

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following protects a cable against mechanical injury?

None of the listed here

Sheath

Bedding

Armouring

TRUE ANSWER : ?
YOUR ANSWER : ?

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