Switch Gear Air blast circuit breaker is used for repeated duty over currents intermittent duty short duty repeated duty over currents intermittent duty short duty ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by relay All of these H.R.'only rewirable fuse relay All of these H.R.'only rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be Lower than that of if fault occurs away from the relay None of these higher than that of if fault occurs away from the relay constant for all distances Lower than that of if fault occurs away from the relay None of these higher than that of if fault occurs away from the relay constant for all distances ANSWER DOWNLOAD EXAMIANS APP
Switch Gear To limit short-circuit current in a power system are used reactors H.R. fuses earth wires isolators reactors H.R. fuses earth wires isolators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability high speed and selectivity All of these economy and simplicity good selectivity and reliability high speed and selectivity All of these economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS