Switch Gear The reflection co-efficient at the open circuited end of a transmission line zero infinity None of these unity zero infinity None of these unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally impedance relays reactance relays split-phase relays none of these impedance relays reactance relays split-phase relays none of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts high speed opening of contacts all of these arc suppressing blow out coils wide separation of the opened contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Current chopping mainly occurs in oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker oil circuit breaker air-blast circuit breaker sf 6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Overheating of relay contacts or contact born out is due to too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these too low contact pressure slow making and breaking of load circuit contacts foreign matter on the contact surface all of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases decreases None of these remains same increases decreases None of these remains same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS