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

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

31) The device which is capable of marking and braking a circuit under normal as well as abnormal condition is called as

Answer is:

Circuit Breaker

32) A mechanism which is incorporated in the circuit breaker to switch off it at faulty condition is known as

Answer is:

trip mechanism

33) In circuit breaker, the maximum power that a circuit breaker can safely interrupt under a fault is known as

Answer is:

rupturing capacity

34) The rupturing capacity of circuit breakers is generally expressed in

Answer is:

mega volt ampere (MVA)

Explanation:

Rupturing capacity of a circuit breaker means the maximum power a circuit breaker can interrupt under a fault. It is usually expressed in Mega volt Ampere (MVA) and it is then the product of the rated breaking current in kilo amperes and rated voltage expressed in kilo volts.

35) MCCB stands for

Answer is:

31) The device which is capable of marking and braking a circuit under normal as well as abnormal condition is called as

Circuit Breaker

32) A mechanism which is incorporated in the circuit breaker to switch off it at faulty condition is known as

trip mechanism

33) In circuit breaker, the maximum power that a circuit breaker can safely interrupt under a fault is known as

rupturing capacity

34) The rupturing capacity of circuit breakers is generally expressed in

mega volt ampere (MVA)

35) MCCB stands for

Moulded Case Circuit Breaker