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

Related Mcqs:

Fault diverters are basically____________?

A. fuses B. relays C. fast switches D. circuit breakers...

An efficient and a well designed protective relaying should have_____________?

A. good selectivity and reliability B. economy and simplicity C. high speed and selectivity D. all 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...

Bus coupler is very essential in arrangement______________?

A. single bus B. double bus, double breaker C. main and transfer bus D. all of the above...

The information to the circuit breaker under fault conditions is provided by____________?

A. relay B. rewirable fuse C. H.R.C. only D. all of the above...