Switch Gear The operating time of a circuit breaker is 0.001 sec 0.2 sec 0.05 sec 0.002 sec 0.001 sec 0.2 sec 0.05 sec 0.002 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 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 35 kA 60 kA 80 kA 20 kA 35 kA 60 kA 80 kA 20 kA ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in positive of dc circuit phase line neutral wire negative of dc circuit positive of dc circuit phase line neutral wire negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear With which of the following, a circuit breaker must be equipped for remote operation ? shunt trip time-delay trip None of these inverse time trip shunt trip time-delay trip None of these inverse time trip ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker behaves as an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc an inductive reactance a capacitive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc ANSWER DOWNLOAD EXAMIANS APP