ELECTRICAL CABLES QUIZ

The breakdown voltage of a cable depends on

All of the listed here

Time of application of the voltage

Working temperature

Presence of moisture

TRUE ANSWER : ?
YOUR ANSWER : ?

The disadvantage with paper as insulating material is

It is hygroscopic

It is an organic material

None of the listed here

It has high capacitance

TRUE ANSWER : ?
YOUR ANSWER : ?

Capacitance grading of cable implies

Grading according to capacitance of cables per km length

Cables using single dielectric in different concentrations

Use of dielectrics of different permeabilities

Capacitance required to be introduced at different lengths to counter the effect of inductance

TRUE ANSWER : ?
YOUR ANSWER : ?

The insulation of the cable decreases with

The increase in length of the insulation

Both of the listed here

The decrease in the length of the insulation

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

The bedding on a cable consists of

Hessian cloth

Jute

None of the listed here

Both Hessian cloth and Jute

TRUE ANSWER : ?
YOUR ANSWER : ?

The inter sheaths in the cables are used to

Avoid the requirement of good insulation

None of the listed here

Provide proper stress distribution

Minimize the stress

TRUE ANSWER : ?
YOUR ANSWER : ?

In capacitance grading of cables we use a _________ dielectric.

Homogeneous

Hygroscopic

Porous

Composite

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of three core flexible cable the color of the neutral is

Brown

Blue

Black

Red

TRUE ANSWER : ?
YOUR ANSWER : ?

The insulating material for cables should

Be non-hygroscopic

Be acid proof

All of the listed here

Be non-inflammable

TRUE ANSWER : ?
YOUR ANSWER : ?

In single core cables armouring is not done to

None of the listed here

Make it flexible

Avoid excessive sheath losses

Either of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?