Switch Gear The relay operating coil is supplied through current transformer power transformer fuse None of these current transformer power transformer fuse None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB bulk oil circuit breaker low oil circuit breaker air break circuit breaker Sf6 CB ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only rewirable fuse All of these relay H.R.'only rewirable fuse All of these relay ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The normal current in a power line is 100 A. If a short-circuit fault occurs on the line, then one can expect the short-circuit current to be more than 1000 A 100 A 200 A 300 A more than 1000 A 100 A 200 A 300 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these electronic relays thermal relays electro-mechanical relays None of these electronic relays thermal relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating speed depends upon armature core air gap All of these the spring tension the rate of flux built up armature core air gap All of these the spring tension the rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
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