Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf6 circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A three phase circuit breaker is rated at 2000 MVA, 33 kv. The symmetrical breaking current is 20 kA 80 kA 35 kA 60 kA 20 kA 80 kA 35 kA 60 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle has a linear characteristic None of these has inverse characteristic is a circle has a linear characteristic None of these has inverse characteristic 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 When a fault occur in a power system, the circuit breaker None of these opens automatically is opened manually is opened by remote control None of these opens automatically is opened manually is opened by remote control ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1 sec 0.8 sec 0.002 sec 1.5 sec 1 sec 0.8 sec 0.002 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS