Switch Gear Most of the relays on service on electric power system are electro-mechanical relays thermal relays electronic relays None of these electro-mechanical relays thermal relays electronic relays None of these ANSWER DOWNLOAD EXAMIANS APP
Switch Gear HRC fuses provide best protection against overload short circuits open circuits reverse current overload short circuits open circuits reverse current ANSWER DOWNLOAD EXAMIANS APP
Switch Gear A switchgear is device used for switching and controlling an electrical circuit interrupting an electrical circuit switching an electrical circuit 111 switching, controlling and protecting the electrical circuit and equipment switching and controlling an electrical circuit interrupting an electrical circuit switching an electrical circuit 111 switching, controlling and protecting the electrical circuit and equipment ANSWER DOWNLOAD EXAMIANS APP
Switch Gear The operating time of a fuse is about 0.8 sec 0.002 sec 1 sec 1.5 sec 0.8 sec 0.002 sec 1 sec 1.5 sec ANSWER DOWNLOAD EXAMIANS APP
Switch Gear Back up protection is generally used for protection against None of these open-circuit faults only short-circuit faults only both open and short-circuit faults None of these open-circuit faults only short-circuit faults only both open and short-circuit faults ANSWER DOWNLOAD EXAMIANS APP
Switch Gear An overcurrent relay having current settling of 125% is connected to a supply circuit through a current transformer of 400/5 A. The pick-up current is 12.5 A 25 A 6.25 A 3.125 A 12.5 A 25 A 6.25 A 3.125 A ANSWER DOWNLOAD EXAMIANS APP
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