Induction cup relay is operated due to changes in________________?

Related Mcqs:

Thermal circuit breaker has____________?

A. delayed trip action B. instantaneous trip action C. both of the above D. none of the above...

D.C. shunt relays are made of_____________?

A. few turns of thin wire B. few turns of thick wire C. many turns of thin wire D. many turns of thick wire...

For the protection of power station buildings against direct strokes the requirements are___________?

A. interception B. interception and conduction C. interception, conduction and dissipation D. interception, conduction, dissipation and reflection E. none of the above...

The under voltage relay can be used for______________?

A. generators B. busbars C. transformers D. motors E. all of the above...

By which of the following methods major portion of the heat generated in a H.R.C. fuse is dissipated ?

A. Radiation B. Convection C. Conduction D. All of the above...