Switch Gear Back up protection is generally used for protection against None of these open-circuit faults only short-circuit faults only both open and short-circuit faults None of these open-circuit faults only short-circuit faults only both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay constant for all distances None of these higher than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Reactance Impedance Induction type None of these Reactance Impedance Induction type None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called surge voltage operating voltage arc voltage recovery voltage surge voltage operating voltage arc voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of steel silver iron brass steel silver iron brass 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 8 6 2 4 8 6 2 4 ANSWER DOWNLOAD EXAMIANS APP