Air blast circuit breaker is used for_____________?

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...

Admittance relay is __________ relay?

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

A fuse is connected_______________?

A. in series with circuit B. in parallel with circuit C. either in series or in parallel with circuit D. none of the above...