ELECTRICAL CABLES QUIZ

The bedding on a cable consists of

None of the listed here

Jute

Both Hessian cloth and Jute

Hessian cloth

TRUE ANSWER : ?
YOUR ANSWER : ?

Underground cables are laid at sufficient depth

To avoid being unearthed easily due to removal of soil

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

All of the listed here

To minimize temperature stresses

TRUE ANSWER : ?
YOUR ANSWER : ?

The insulating material should have

High resistivity

All of the listed here

Low permittivity

High dielectric strength

TRUE ANSWER : ?
YOUR ANSWER : ?

The inter sheaths in the cables are used to

Provide proper stress distribution

None of the listed here

Minimize the stress

Avoid the requirement of good insulation

TRUE ANSWER : ?
YOUR ANSWER : ?

In capacitance grading of cables we use a _________ dielectric.

Hygroscopic

Composite

Homogeneous

Porous

TRUE ANSWER : ?
YOUR ANSWER : ?

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

The resistance of the conductor

The inductance of conductors

The capacitances of insulated conductors

All of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Low tension cables are generally used up to

600 V

1000 V

400 V

200 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Vulcanised rubber

Polyvinyle chloride

Impregnated paper

Compressed SF6 gas

TRUE ANSWER : ?
YOUR ANSWER : ?

Copper as conductor for cables is used as

Alloy with chromium

Annealed

Hardened and tempered

Hard drawn

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following insulation is used in cables?

All of the listed here

Varnished cambric

Rubber

Paper

TRUE ANSWER : ?
YOUR ANSWER : ?

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