Switch Gear protection of fuses is generally not used beyond 200 A 20 A 100 A 50 A 200 A 20 A 100 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear series reactors should have high resistance low impedance low resistance high impedance high resistance low impedance low resistance high impedance 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 2 8 6 4 2 8 6 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against 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 None of these open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse in a motor circuit provides protection against short-circuit and overload open circuit, short-circuit and overload None of these overload short-circuit and overload open circuit, short-circuit and overload None of these overload ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker None of these is opened by remote control is opened manually opens automatically None of these is opened by remote control is opened manually opens automatically ANSWER DOWNLOAD EXAMIANS APP