Circuit Breakers MCQ - Electrician (Set-1) with Answers

Circuit Breakers MCQ - Electrician (Set-1) with Answers

36) The expansion of MCB is

Answer is:

Miniature Circuit Breaker

The expansion of MCB is

37) Which device is used to protect the circuits from short circuit fault ?

Answer is:

MCB

Which device is used to protect the circuits from short circuit fault ?

38) Maximum number of poles available in MCB's is

Answer is:

4

Maximum number of poles available in MCB's is

39) For air conditioners of 1.5 ton capacity, sockets with MCB rating is

Answer is:

20 A

For air conditioners of 1.5 ton capacity, sockets with MCB rating is

40) The 'L' series MCB's used to protect the equipment is

Answer is:

geyser

The 'L' series MCB's used to protect the equipment is