Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control is opened manually None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Directional relay are based on flow of All of these power current voltage wave All of these power current voltage wave ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts all of these high speed opening of contacts arc suppressing blow out coils wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is non-directional relay impedance relay None of these directional relay non-directional relay impedance relay None of these directional relay ANSWER DOWNLOAD EXAMIANS APP
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