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

Related Mcqs:

Thermal circuit breaker has____________?

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

Resistance grounding is used for voltage between_________________?

A. 33kVto66kV B. HkVto33kV C. 3.3kVandllkV D. none of the above...

Short-circuit currents are due to_______________?

A. single phase to ground faults B. phase to phase faults C. two phase to ground faults D. three phase faults E. any of these...

The torque produced in induction type relay (shaded pole structure) is_____________?

A. inversely proportional to the current B. inversely proportional to the square of the current C. proportional to the current D. proportional to square of the current...