Switch Gear To limit short-circuit current in a power system are used isolators earth wires H.R. fuses reactors isolators earth wires H.R. fuses reactors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is installed to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker to operate the relay of circuit breaker always independent of the position of circuit breaker generally on both sides of a circuit breaker as a substitute for circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.002 sec 1 sec 0.8 sec 1.5 sec 0.002 sec 1 sec 0.8 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under no load full load None of these normal conditions no load full load None of these normal conditions ANSWER DOWNLOAD EXAMIANS APP
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