Short-circuit currents are due to_______________?

Related Mcqs:

Thermal circuit breaker has____________?

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

The relay operating speed depends upon_________________?

A. the spring tension B. the rate of flux built up C. armature core air gap D. all of the above...

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...

relay is preferred for phase fault on short transmission line?

A. Induction type B. Reactance C. Impedance D. None of the above...

The inductive interference between power and communication line can be minimized by__________?

A. transposition of the power line B. transposition of the communication line C. both (A) and (B) D. increasing the distance between the conductors...