Switch Gear Arc in a circuit breaker behaves as a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance a resistance decreasing with voltage rise across the arc a resistance increasing with voltage rise across the arc a capacitive reactance an inductive reactance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In a single bus-bar system there will be complete shut down when two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing two or more faults occur simultaneously fault occurs on neutral line fault occurs on the bus itself fault occurs with respect to earthing ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? low oil circuit breaker bulk oil circuit breaker Sf6 CB air break circuit breaker low oil circuit breaker bulk oil circuit breaker Sf6 CB air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When transmission line is energized, the wave that propagates on it is power factor wave only both current wave and voltage wave voltage wave only current wave only power factor wave only both current wave and voltage wave voltage wave only current wave only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker always independent of the position of circuit breaker to operate the relay of circuit breaker as a substitute for circuit breaker generally on both sides of a circuit breaker ANSWER DOWNLOAD EXAMIANS APP