TRANSMISSION & DISTRIBUTION QUIZ

In india, the transmission of electric power is done by

None of the listed here

3 phase 3 wire system

3 phase 4 wire system

1 phase system

TRUE ANSWER : ?
YOUR ANSWER : ?

In a D.C. 3-wire distribution system, balancer fields are cross-connected in order to

boost the generated voltage

make both machine^ run as unloaded motors

equalize voltages on the positive and negative outers

balance loads on both sides of the neutral

TRUE ANSWER : ?
YOUR ANSWER : ?

Corona result in

None of the listed here

Radio frequency

Power factor improvement

Better regulation

TRUE ANSWER : ?
YOUR ANSWER : ?

The power transmitted will be maximum when

Reactance is high

Sending end voltage is more

Corona losses are minimum

Receiving end voltage is more

TRUE ANSWER : ?
YOUR ANSWER : ?

The term service mains refers to

Primary transmission

Secondary distribution

Primary distribution

Secondary transmission

TRUE ANSWER : ?
YOUR ANSWER : ?

In a balanced 3 wire dc system, the voltage across the outers is 500V. The voltage between any outer and neutral wire is

500 V

125 V

100 V

250 V

TRUE ANSWER : ?
YOUR ANSWER : ?

The angular displacement between two interconnected stations is mainly due to

All of these

Synchronous reactance of both the alternators

Reactance of the interconnector

Armature reactance of both alternators

TRUE ANSWER : ?
YOUR ANSWER : ?

As a mater of economy, voltage for power transmission should be

High

Low

Medium

None of the listed here

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is a static exciter?

Dc separately excited generator

Rotrol

Amplidyne

Rectifier

TRUE ANSWER : ?
YOUR ANSWER : ?

When the length of cable increases , its capacitance

None of the listed here

Increases

Decreases

Remain same

TRUE ANSWER : ?
YOUR ANSWER : ?

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