Switch Gear The fault that imposes severest duty on the circuit breaker is line to ground fault all three lines short-circuited two lines to ground fault line to line fault line to ground fault all three lines short-circuited two lines to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the protection of power station buildings against direct strokes the requirements are None of these interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation interception None of these interception, conduction, dissipation and reflection interception and conduction interception, conduction and dissipation interception ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these electro-mechanical relays thermal relays electronic relays None of these electro-mechanical relays thermal relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against short circuits reverse current overload open circuits short circuits reverse current overload open circuits ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a circuit breaker is 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Dc shunt relays are made of few turns of thick wire few turns of thin wire many turns of thick wire many turns of thin wire few turns of thick wire few turns of thin wire many turns of thick wire many turns of thin wire ANSWER DOWNLOAD EXAMIANS APP