Switch Gear Current chopping mainly occurs in vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker vaccum circuit breaker sf 6 circuit breaker oil circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear If the fault occurs near the impedance relay, the V/ I ratio will be constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these constant for all distances higher than that of if fault occurs away from the relay Lower than that of if fault occurs away from the relay None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only None of these both open and short-circuit faults open-circuit faults only short-circuit faults only None of these both open and short-circuit faults open-circuit faults only ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of two phase motors only two single phase motors running in parallel single phase motors only three phase motors two phase motors only two single phase motors running in parallel single phase motors only three phase motors ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Circuit breakers usually operate under steady state of short circuit current sub-transient state of short circuit current transient state of short circuit current after dc component has ceased steady state of short circuit current sub-transient state of short circuit current transient state of short circuit current after dc component has ceased ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against reverse current overload short circuits open circuits reverse current overload short circuits open circuits ANSWER DOWNLOAD EXAMIANS APP
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