Switch Gear The information to the circuit breaker under fault conditions is provided by rewirable fuse relay All of these H.R.'only rewirable fuse relay All of these H.R.'only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse has inverse characteristic is a circle has a linear characteristic None of these has inverse characteristic is a circle has a linear characteristic None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? air break circuit breaker isolator oil circuit breaker rewireable fuse air break circuit breaker isolator oil circuit breaker rewireable fuse ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called restriking voltage recovery voltage supply voltage peak voltage restriking voltage recovery voltage supply voltage peak voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Minimum arcing voltage will be least in case of graphite tungsten silver carbon graphite tungsten silver carbon ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against 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 both open and short-circuit faults None of these ANSWER DOWNLOAD EXAMIANS APP
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