Switch Gear The relay operating coil is supplied through power transformer fuse current transformer None of these power transformer fuse current transformer None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A circuit breaker is a circuit interrupting device current controlling device current limiting device None of these circuit interrupting device current controlling device current limiting device None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to ground fault two lines to ground fault line to line fault all three lines short-circuited line to ground fault two lines to ground fault line to line fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload None of these open circuit, short-circuit and overload overload short-circuit and overload None of these open circuit, short-circuit and overload overload ANSWER DOWNLOAD EXAMIANS APP