Switch Gear If the length of the arc in a circuit breaker increases, its resistance remains same decreases None of these increases remains same decreases None of these increases ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage operating voltage surge voltage arc voltage recovery voltage operating voltage surge voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The current rating of a fuse is 5A. The fusing current will be 5 A 1 A more than 5A 2.5 A 5 A 1 A more than 5A 2.5 A ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against both open and short-circuit faults None of these short-circuit faults only open-circuit faults only both open and short-circuit faults None of these short-circuit faults only open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic is a circle None of these has a linear characteristic has inverse characteristic is a circle None of these has a linear characteristic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The information to the circuit breaker under fault conditions is provided by H.R.'only relay rewirable fuse All of these H.R.'only relay rewirable fuse All of these ANSWER DOWNLOAD EXAMIANS APP
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