POWER SYSTEMS QUIZ

A network containing 50 buses in which 10 are the voltage control buses, 6 are the generator buses. Find the size of the Jacobian matrix?

84*84

83*83

33*33

34*34

TRUE ANSWER : ?
YOUR ANSWER : ?

In a long transmission line, if we increase the length of the line, the parameters A and B respectively

decreases and increases

increases and decreases

decreases and decreases

increases and increases

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YOUR ANSWER : ?

Merze price current scheme protection is used in

bus bars.

alternator.

both A and B.

transformer.

TRUE ANSWER : ?
YOUR ANSWER : ?

Based on the discharge, Kaplan turbine will discharge

1000 lpm

>10000 lpm

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YOUR ANSWER : ?

Corona loss is ----------------- on hilly areas than as plain areas.

remain same

less

more

None of these

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YOUR ANSWER : ?

Isolator in sub station is open under ------------- condition?

full load

short circuit

no load

any of the above

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YOUR ANSWER : ?

A sort line with R/X ratio 1, the zero regulation is obtained when the power factor of the load is

0.5

unity

0.707 leading

0 leading

TRUE ANSWER : ?
YOUR ANSWER : ?

Mho relay is usually employed for protection of

medium transmission lines only

any line

short transmission lines only

long transmission lines only

TRUE ANSWER : ?
YOUR ANSWER : ?

The power output of a nuclear power station is proportional to

square of the rate at which fission reaction occurs.

none of above.

the rate at which fission reaction occurs.

square root of the rate at which fission reaction occurs.

TRUE ANSWER : ?
YOUR ANSWER : ?

Skin effect depends on

All of these

conductivity

frequency

relative permeability

TRUE ANSWER : ?
YOUR ANSWER : ?

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