Transformers MCQ - Electrician (Set-1) with Answers

to provide protection against over current

to suppress harmonics

to arrest flow of moisture into the tank

to control the level of oil in the tank

provide cooling air to the winding

arrest the flow of moisture into the tank

control the level of oil in the tank

allows tie moisture

PT 60 : 1, CT 15 : 1

PT 60 : 1, CT 50 : 1

PT 1 : 60, CT 1 : 10

PT 25 : 1, CT 100 : 1

40 amps

160 amps

200 amps

250 amps

5 ampere or 10 ampere

2.5 ampere or 5 ampere

1.5 ampere or 6 ampere

1 ampere or 5 ampere