Switch Gear If the length of the arc in a circuit breaker increases, its resistance None of these decreases increases remains same None of these decreases increases remains same ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are electronic relays None of these thermal relays electro-mechanical relays electronic relays None of these thermal relays electro-mechanical relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A fuse is never inserted in phase line neutral wire positive of dc circuit negative of dc circuit phase line neutral wire positive of dc circuit negative of dc circuit ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The device that detects the fault in a power system is isolator relay circuit breaker None of these isolator relay circuit breaker None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The arc voltage produced in AC circuit breaker is always None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° None of these In phase with the arc current lagging the arc current by 90° leading the arc current by 90° ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A differential relay measures the vector difference between two or more similar electrical quantities two voltages two currents None of these two or more similar electrical quantities two voltages two currents None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS