TRANSMISSION & DISTRIBUTION QUIZ

Which of the following faults is most likely to occur in cables?

Open circuit fault

All of these

Cross or short-circuit fault

Breakdown of cable insulation

TRUE ANSWER : ?
YOUR ANSWER : ?

In ac system, volatge drop is due to

All listed here

Inductance alone

Capacitance alone

Resistance alone

TRUE ANSWER : ?
YOUR ANSWER : ?

The insulating material most commonly used for power cables is

None of the listed here

PVC

Paper

Rubber

TRUE ANSWER : ?
YOUR ANSWER : ?

In transmission lines the cross-arms are made of

Copper

R.C.C.

Wood

Steel

TRUE ANSWER : ?
YOUR ANSWER : ?

In a distribution system major cost is that of

Meters

Distribution transformer

Conductors

Earthing system

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the source of heat generation in the cables?

losses in the conductor

Losses in the metallic sheathings and armourings

Dielectric losses in cable insulation

All of these

TRUE ANSWER : ?
YOUR ANSWER : ?

A booster is a

Dc shunt generator

Dc compound generator

None of the listed here

Dc series generator

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following D.C. distribution system is the simplest and lowest in first cost?

None of these

Ring system

Interconnected system

Radial system

TRUE ANSWER : ?
YOUR ANSWER : ?

The wooden poles well impregnated with creosote oil or any preservative compound has life

60 to 70 years

25 to 30 years

From 2 to 5 years

10 to 15 years

TRUE ANSWER : ?
YOUR ANSWER : ?

The usual span with RCC Poles are

800-100 meters

40-50 meters

60-100 meters

300-500 meters

TRUE ANSWER : ?
YOUR ANSWER : ?

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