Protection by fuses is generally not used beyond__________?

Related Mcqs:

The arcing contacts in a circuit breaker are made of______________?

A. copper tungsten alloy B. porcelain C. electrolytic copper D. aluminium alloy...

Burden of a protective relay is the power______________?

A. required to operate the circuit breaker B. absorbed by the circuit of relay C. developed by the relay circuit D. none of the above...

The time of closing the cycle, in modern circuit breakers is_____________?

A. 0.003 sec B. 0.001 sec C. 0.01 sec D. 0.10 sec E. none of the above...

The short circuit in any winding of the transformer is the result of______________?

A. mechanical vibration B. insulation failure C. loose connection D. impulse voltage...

The torque produced in induction type relay (shaded pole structure) is_____________?

A. inversely proportional to the current B. inversely proportional to the square of the current C. proportional to the current D. proportional to square of the current...