Feeder Protection » Exercise - 12. In a transmission system the feeder supplies power to : (a) transformer substations (b) service mains (c) distributors (d) Any of the above
Feeder Protection » Exercise - 1 1. A feeder, in a transmission system, feeds power to : (a) distributors (b) generating stations (c) service mains (d) all of the above
Feeder Protection » Exercise - 14. If in a d.c. 2-wire feeder, drop per feeder conductor is 2%, transmission efficiency of the feeder is ........................... percent. (a) 98 (b) 94 (c) 96 (d) 99
Relays » Exercise - 12. Thermal relays are used for the protection of motors against over-current owing to : (a) Short circuit (b) Heavy loads (c) Earth fault (d) All the above