Switch Gear The time-current graph of a fuse None of these has inverse characteristic has a linear characteristic is a circle None of these has inverse characteristic has a linear characteristic is a circle ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 2.5 A more than 5A 1 A 5 A 2.5 A more than 5A 1 A 5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by relay H.R.'only All of these rewirable fuse relay H.R.'only All of these rewirable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts wide separation of the opened contacts arc suppressing blow out coils all of these high speed opening of contacts ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these increases decreases remains same None of these increases decreases remains same 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 sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP