ELECTRICAL CABLES QUIZ

If the length of a cable is doubled, its capacitance

Becomes one-half

Becomes one-fourth

None of the listed here

Becomes double

TRUE ANSWER : ?
YOUR ANSWER : ?

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

The resistance of the conductor

All of the listed here

The capacitances of insulated conductors

The inductance of conductors

TRUE ANSWER : ?
YOUR ANSWER : ?

The advantage of cables over overhead transmission lines is

Low cost

Can be used in congested areas

Can be used in high voltage circuits

Easy maintenance

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following insulation is used in cables?

All of the listed here

Rubber

Paper

Varnished cambric

TRUE ANSWER : ?
YOUR ANSWER : ?

In cables the charging current

Lags the voltage by 180°

Lags the voltage by 90°

Leads the voltage by 90°

Leads the voltage by 180°

TRUE ANSWER : ?
YOUR ANSWER : ?

The breakdown voltage of a cable depends on

Working temperature

All of the listed here

Time of application of the voltage

Presence of moisture

TRUE ANSWER : ?
YOUR ANSWER : ?

Conduit pipes are normally used to protect ________ cables.

PVC sheathed cables

Unsheathed cables

All of the listed here

Armoured

TRUE ANSWER : ?
YOUR ANSWER : ?

The bedding on a cable consists of

Both Hessian cloth and Jute

Hessian cloth

Jute

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

_________ cables are used for 132 kV lines.

Extra high tension

High tension

Extra super voltage

Super tension

TRUE ANSWER : ?
YOUR ANSWER : ?

The surge resistance of cable is

50 ohms

5 ohms

500 ohms

100 ohms

TRUE ANSWER : ?
YOUR ANSWER : ?

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