Switch Gear A fuse should have low cost low melting point high conductivity All of these low cost low melting point high conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The transient voltage that appears across the contacts at the instant of arc extinction is called peak voltage restriking voltage supply voltage recovery voltage peak voltage restriking voltage supply voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against short-circuit faults only open-circuit faults only None of these both open and short-circuit faults short-circuit faults only open-circuit faults only None of these both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The pick-up current of a relay is 7.5 A and the fault current in relay is 30 A. Its plug-setting multiplier (P.S.M.) is 4 2 6 8 4 2 6 8 ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An isolator is designed to open a circuit under full load None of these no load normal conditions full load None of these no load normal conditions ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker oil circuit breaker vaccum circuit breaker air-blast circuit breaker sf6 circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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