Switch Gear Which of the following CB's is generally used in railways applications ? sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An efficient and a well designed protective relaying should have 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 economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The material used for fuse must have low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance Low melting point and low specific resistance low melting point and high specific resistance low melting point and any specific resistance high melting point and low specific resistance Low melting point and low specific resistance ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only relay All of these rewirable fuse H.R.'only relay All of these rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Resistance grounding is used for voltage between 11 kv to 33 kv 3.3 kV to 11 kv 33 kV to 66 kV None of these 11 kv to 33 kv 3.3 kV to 11 kv 33 kV to 66 kV None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fusing factor is None of these always less than 1 always more than 1 always 1 None of these always less than 1 always more than 1 always 1 ANSWER DOWNLOAD EXAMIANS APP
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