Magnetic circuit breaker has ___________ trip action

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...

In order that current should flow without causing excessive heating or voltage drop, the relay contacts should_________________?

A. have low contact resistance B. be clean and smooth C. be of sufficient size and proper shape D. have all above properties...

Overheating of relay contacts or contact born out is due to_______________?

A. slow making and breaking of load circuit contacts B. foreign matter on the contact surface C. too low contact pressure D. all 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...

The power loss is an important factor for the design of_______________?

A. transmission line B. motor C. generator D. feeder...