Switch Gear Arc in a circuit breaker is interrupted at minimum voltage zero current maximum voltage maximum current minimum voltage zero current maximum voltage maximum current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called recovery voltage surge voltage arc voltage operating voltage recovery voltage surge voltage arc voltage operating voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The reflection co-efficient at the open circuited end of a transmission line None of these infinity zero unity None of these infinity zero unity ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays electronic relays electro-mechanical relays None of these thermal relays electronic relays electro-mechanical relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is relay circuit breaker None of these isolator relay circuit breaker None of these isolator ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following is the least expensive protection for over current is low voltage system ? isolator rewireable fuse air break circuit breaker oil circuit breaker isolator rewireable fuse air break circuit breaker oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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