Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker air break circuit breaker sf 6 circuit breaker low oil circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time of closing the cycle, in modern circuit breakers is 0.10 sec 0.01 sec 0.003 sec 0.001 sec 0.10 sec 0.01 sec 0.003 sec 0.001 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When a fault occur in a power system, the circuit breaker opens automatically is opened by remote control is opened manually None of these opens automatically is opened by remote control is opened manually None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Air blast circuit breakers for 400 kV power system are designed to operate in 0.1 sec 0.5 sec 50 milli-second 100 micro-second 0.1 sec 0.5 sec 50 milli-second 100 micro-second ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse should have low cost high conductivity low melting point All of these low cost high conductivity low melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Distance relays are generally reactance relays none of these impedance relays split-phase relays reactance relays none of these impedance relays split-phase relays ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS