Switch Gear Back up protection is generally used for protection against short-circuit faults only both open and short-circuit faults open-circuit faults only None of these short-circuit faults only both open and short-circuit faults open-circuit faults only None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The relay operating coil is supplied through None of these current transformer fuse power transformer None of these current transformer fuse power transformer ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The voltage appearing across the contacts after opening of the circuit breaker is called operating voltage arc voltage surge voltage recovery voltage operating voltage arc voltage surge voltage recovery voltage ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Most of the relays on service on electric power system are thermal relays None of these electro-mechanical relays electronic relays thermal relays None of these electro-mechanical relays electronic relays ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The main function of a fuse is to prevent excessive currents None of these open the circuit protect the appliance protect the line prevent excessive currents None of these open the circuit protect the appliance protect the line ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Series capacitors are used to compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance compensate for line capacitive reactance improve line voltage None of these compensate for line inductive reactance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS