Switch Gear Which of the following CB's is generally used in railways applications ? air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker air break circuit breaker low oil circuit breaker sf 6 circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic None of these has a linear characteristic is a circle has inverse characteristic None of these has a linear characteristic is a circle ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The rate of rise of restriking voltage depends on the inductance of the system only both inductance and capacitance of the system the type of circuit breaker the capacitance of the system only the inductance of the system only both inductance and capacitance of the system the type of circuit breaker the capacitance of the system only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Interruption of large currents by relay requires high speed opening of contacts 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 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is a None of these current controlling device current limiting device protective device None of these current controlling device current limiting device protective device ANSWER DOWNLOAD EXAMIANS APP
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