Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker low oil circuit breaker air break circuit breaker bulk oil circuit breaker sf 6 circuit breaker 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 None of these 750 A 1500/√3 A 1500 A None of these 750 A 1500/√3 A 1500 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear ________ relay is preferred for phase fault on short transmission line. Induction type None of these Reactance Impedance Induction type None of these Reactance Impedance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have economy and simplicity good selectivity and reliability All of these high speed and selectivity economy and simplicity good selectivity and reliability All of these high speed and selectivity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For which of the following protection from negative sequence currents is provided ? Transformers Motors Generators Transmission line Transformers Motors Generators Transmission line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching an electrical circuit 111 switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit switching an electrical circuit 111 switching and controlling an electrical circuit switching, controlling and protecting the electrical circuit and equipment interrupting an electrical circuit ANSWER DOWNLOAD EXAMIANS APP