Switch Gear In a single bus-bar system there will be complete shut down when two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line fault occurs on the bus itself two or more faults occur simultaneously fault occurs with respect to earthing fault occurs on neutral line fault occurs on the bus itself ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon the rate of flux built up All of these the spring tension armature core air gap the rate of flux built up All of these the spring tension armature core air gap ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? bulk oil circuit breaker Sf6 CB low oil circuit breaker air break circuit breaker bulk oil circuit breaker Sf6 CB low oil circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two single phase motors running in parallel two phase motors only three phase motors single phase motors only two single phase motors running in parallel two phase motors only 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 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 higher than that of if fault occurs away from the relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays None of these electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
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