Air blast circuit breakers for 400 kV power system are designed to operate in_______________?

Related Mcqs:

SF6 gas______________?

A. is yellow in colour B. is lighter than air C. is nontoxic D. has pungent small E. none of the above...

Large internal faults are protected by_______________?

A. merz price percentage differential protection B. mho and ohm relays C. horn gaps and temperature relays D. earth fault and positive sequence relays...

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...

A _________ is used to measure the stator % winding temperature of the generator?

A. thermocouple B. pyrometer C. resistance thermometer D. thermometer...

The fuse blows off by___________?

A. burning B. arcing C. melting D. none of the above...