Switch Gear An efficient and a well designed protective relaying should have All of these high speed and selectivity good selectivity and reliability economy and simplicity All of these high speed and selectivity good selectivity and reliability economy and simplicity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Arc in a circuit breaker is interrupted at minimum voltage maximum current maximum voltage zero current minimum voltage maximum current maximum voltage zero current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear For the same power, the least size is of oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are None of these electronic relays electro-mechanical relays thermal relays None of these electronic relays electro-mechanical relays thermal relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage surge voltage recovery voltage arc voltage operating voltage surge voltage recovery voltage arc voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Admittance relay is None of these directional relay non-directional relay impedance relay None of these directional relay non-directional relay impedance relay ANSWER DOWNLOAD EXAMIANS APP
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