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 In a circuit breaker the time duration from the instant of the fault to extinction of arc is known as clearing time operation time lead time lag time clearing time operation time lead time lag time ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The fault that imposes severest duty on the circuit breaker is all three lines short-circuited line to line fault two lines to ground fault line to ground fault all three lines short-circuited line to line fault two lines to ground fault line to ground fault ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has a linear characteristic is a circle has inverse characteristic None of these has a linear characteristic is a circle has inverse characteristic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear SF 6 gas has pungent small is lighter than air is yellow in colour Is nontoxic has pungent small is lighter than air is yellow in colour Is nontoxic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse element is generally made of iron steel silver brass iron steel silver brass ANSWER DOWNLOAD EXAMIANS APP
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