The voltage appearing across the contacts after opening of the circuit breaker is called__________voltage

Related Mcqs:

Arc in a circuit behaves as_______________?

A. a capackive reactance B. an inductive reactance C. a resistance increasing with voltage rise across the arc D. a resistance decreasing with voltage rise across the arc...

Protective relays are devices that detect abnormal conditions in electrical circuits by measuring_____________?

A. current during abnormal condition B. voltage during abnormal condition C. constantly the electrical quantities which differ during normal and abnormal conditions D. none 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...

For cost and safety, the outdoor substations are installed for voltages above_________________?

A. 11 kV B. 33 kV C. 60kV D. 110kV...

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...