Switch Gear The relay operating coil is supplied through None of these power transformer fuse current transformer None of these power transformer fuse current transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 4 6 2 8 4 6 2 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance increases decreases remains same None of these increases decreases remains same None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Wave trap is used to trap waves of power frequencies either of the above higher frequencies entering generator or transformer units None of these power frequencies either of the above higher frequencies entering generator or transformer units None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance high melting point and low specific resistance low melting point and any specific resistance low melting point and high specific resistance Low melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS