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
Related Circuit Breakers MCQ - Electrician (Set-1) with Answers
Answer is:
trip mechanism
Answer is:
rupturing capacity
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.