Electrical Machines What is power factor of a 3 - φ induction motor at no load? High. Same as full load. Equal to 1. Low. High. Same as full load. Equal to 1. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Eddy current loss Magnetic loss Hysteresis loss Copper loss Eddy current loss Magnetic loss Hysteresis loss Copper loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 60° 18° 30° 20° 60° 18° 30° 20° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltmeter connected across a generator reads voltage same at no load and at full load (rated). The generator is of the type shunt generator. series generator. short - shunt generator. level compound. shunt generator. series generator. short - shunt generator. level compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of higher flux density in the transformer design None of these has no relation with the weight of transformer increases the weigh per KVA reduces the weigh per KVA None of these has no relation with the weight of transformer increases the weigh per KVA reduces the weigh per KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.04, 1.96 0.04, 0.96 0.02, 1.98 0.02, 0.98 0.04, 1.96 0.04, 0.96 0.02, 1.98 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP