relay is preferred for phase fault on short transmission line?

Related Mcqs:

The arcing contacts in a circuit breaker are made of______________?

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

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

A. recovery B. surge C. operating D. arc E. none of the above...

A.C. network analyser is used to solve problems of_______________?

A. load flow B. load flow and short-circuit C. load flow and stability D. load flow, short-circuit and stability E. none of the above...

Which of the following devices will receive voltage surge first travelling on the transmission line ?

A. Lightning arresters B. Relays C. Step-down transformer D. Switchgear...

Oil switches are employed for_____________?

A. low currents circuits B. low voltages circuits C. high voltages and large currents circuits D. all circuits...