The fuse blows off by___________?

Related Mcqs:

Circuit breakers are essentially____________?

A. current carrying contacts called electrodes B. arc extinguishers C. circuits to break the system D. transformers to isolate the two systems E. any of the above...

The current zero interruption, in oil and air blast circuit breakers, is achieved by_______________?

A. lengthening of the gap B. cooling and blast effect C. both A. and B D. deionizing the oil with forced air E. none of the above...

Insulation resistance of high voltage circuit breakers is more than________________?

A. 1 mega ohms B. 10 mega ohms C. 100 mega ohms D. 500 mega ohms...

The inverse definite mean time relays are used for over current and earth fault protection of transformer against_________________?

A. heavy loads B. internal short-circuits C. external short-circuits D. all of the above...

Admittance relay is __________ relay?

A. impedance B. directional C. non-directional D. none of the above...