The arc voltage produced in A.C. circuit breaker is always_____________?

Related Mcqs:

With which of the following, a circuit breaker must be equipped for remote operation ?

A. Inverse time trip B. Time-delay trip C. Shunt trip D. None of the above E. All of the above...

Circuit breakers usually operate under______________?

A. transient state of short-circuit current B. sub-transient state of short-circuit current C. steady state of short-circuit current D. after D.C. component has ceased...

To protect most of the electrical equipment handling low power, the types of relays used are______________?

A. thermocouple B. electronic and bimetallic C. both (A) and (B) D. none of the above...

Over voltage protection is recommended for______________?

A. hydro-electric generators B. steam turbine generators C. gas turbine generators D. all of the above E. none of the above...

On which of the following effects of electric current a fuse operates ?

A. Photoelectric effect B. Electrostatic effect C. Heating effect D. Magnetic effect...