Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 100 micro-second 50 milli-second 0.5 sec 0.1 sec 100 micro-second 50 milli-second 0.5 sec 0.1 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Breaking capacity of a circuit breaker is usually expressed in terms of amperes MVA Mw volts amperes MVA Mw volts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 200 A 50 A 20 A 100 A 200 A 50 A 20 A 100 A 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 2 6 8 4 2 6 8 4 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse None of these is a circle has a linear characteristic has inverse characteristic None of these is a circle has a linear characteristic has inverse characteristic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is circuit breaker isolator relay None of these circuit breaker isolator relay None of these ANSWER DOWNLOAD EXAMIANS APP