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 A circuit breaker is rated as 1500 A, 1000 MVA, 33 kv, 3-second , 3- phase oil circuit breaker. The rated normal current is 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A None of these 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electro-mechanical relays None of these electronic relays thermal relays electro-mechanical relays None of these electronic relays thermal relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transmission line Motors Transformers Generators Transmission line Motors Transformers Generators ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following circuit breakers is prefered for EHT applications ? bulk oil circuit breaker Sf6 CB air break circuit breaker low oil circuit breaker bulk oil circuit breaker Sf6 CB air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have high speed and selectivity economy and simplicity good selectivity and reliability All of these high speed and selectivity economy and simplicity good selectivity and reliability All of these ANSWER DOWNLOAD EXAMIANS APP