Switch Gear An efficient and a well designed protective relaying should have good selectivity and reliability All of these economy and simplicity high speed and selectivity good selectivity and reliability All of these economy and simplicity high speed and selectivity 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 higher than that of if fault occurs away from the relay None of these constant for all distances Lower than that of if fault occurs away from the relay higher than that of if fault occurs away from the relay None of these constant for all distances ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? bulk oil circuit breaker low oil circuit breaker air break circuit breaker sf 6 circuit breaker bulk oil circuit breaker low oil circuit breaker air break 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 1500 A None of these 1500/√3 A 750 A 1500 A None of these 1500/√3 A 750 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear In Railway applications ______ circuit breaker is used. air break bulk oil minimum oil SFe air break bulk oil minimum oil SFe ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through None of these power transformer fuse current transformer None of these power transformer fuse current transformer ANSWER DOWNLOAD EXAMIANS APP
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