MCQ ON TRANSMISSION AND DISTRIBUTION TEST-01

1. The minimum phase neutral voltage at which Corona occurs is called

knee voltage.
flash over voltage.
critical disruptive voltage.
visual critical voltage.


2. For constant voltage transmission the voltage drop is compensated by installing

synchronous motors.
capacitors.
inductors.
all of the above.


3. Transposition of transmission line is done to

decrease I2R losses.
decrease corona effect.
balance line voltage.
decrease skin effect.


4. Strain type insulator are used where the conductors are

dead ended.
at intermediate anchor towers.
any of the above.
none of the above.


5. Disc type insulators are used for voltage beyond

11 kV.
33 kV.
66 kV.
132 kV.


6. Corona in transmission line will result in

increase energy loss.
increase reactance.
increase inductance.
all of the above.


7. Corona effect can be detected by

hissing sound.
faint luminous flow of bluish color.
presence of ozone detected by odor.
all of the above.


8. In transmission line production of ozone resulted by corona is harmful because

it gives bad odor.
it corrodes the material.
it transfers energy to the ground.
reduces power factor.


9. Which class of insulators has high maximum working temperature?

B – class.
F – class.
C – class.
Y – class.


10. The skin effect of a conductor will reduce as the

resistivity of conductor increases.
permeability of conductor increases.
diameter increases.
frequency increases.

• Tweet
• Share
• Share
• Share
• Share

About Admin MC3

This is dummy text. It is not meant to be read. Accordingly, it is difficult to figure out when to end it. But then, this is dummy text. It is not meant to be read. Period.

Related Post