Switch Gear Most of the relays on service on electric power system are electronic relays thermal relays None of these electro-mechanical relays electronic relays thermal relays None of these electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The time-current graph of a fuse None of these is a circle has inverse characteristic has a linear characteristic None of these is a circle has inverse characteristic has a linear characteristic ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 1 sec 0.002 sec 1.5 sec 0.8 sec 1 sec 0.002 sec 1.5 sec 0.8 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The single phasing relays are used for the protection of three phase motors single phase motors only two phase motors only two single phase motors running in parallel three phase motors single phase motors only two phase motors only two single phase motors running in parallel ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities two currents None of these two voltages two or more similar electrical quantities two currents None of these two voltages ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Which of the following CB's is generally used in railways applications ? low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker low oil circuit breaker sf 6 circuit breaker air break circuit breaker bulk oil circuit breaker ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS