The under voltage relay can be used for______________?

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...

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...

Which of the following statements is incorrect ?

A. Lightning arrestors are used before the switchgear B. Shunt reactors are used as compensation reactors C. The peak short current is (1.8 xV2) times the A.C. component D. The MVA at fault is equal to base MVA divided by per unit equivalent fault reactance...

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...