Switch Gear Directional relay are based on flow of voltage wave All of these power current voltage wave All of these power current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear protection of fuses is generally not used beyond 50 A 100 A 200 A 20 A 50 A 100 A 200 A 20 A 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 Which of the following CB's is generally used in railways applications ? low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker low oil circuit breaker bulk oil circuit breaker sf 6 circuit breaker air break circuit breaker ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse is a circle has a linear characteristic None of these has inverse characteristic is a circle has a linear characteristic None of these has inverse characteristic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear When the circuit breaker operates under fault conditions, the greatest noise is produced in air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker air-blast circuit breaker oil circuit breaker sf6 circuit breaker vaccum circuit breaker ANSWER DOWNLOAD EXAMIANS APP
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