Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 32. 16. 8. 4. 32. 16. 8. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1500 rpm 1000 rpm 3000 rpm 750 rpm 1500 rpm 1000 rpm 3000 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor should be flexible. hollow. any of these. stiff. flexible. hollow. any of these. stiff. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 1, 4 1, 3 2, 4 2, 3 1, 4 1, 3 2, 4 2, 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The full load copper loss and iron loss of transformer are 6400W and 5000W respectively. The copper loss and iron loss at half load will be respectively? 1600 W and 1250 W 3200 W and 2500 W 1600 W and 5000 W 3200 W and 5200 W 1600 W and 1250 W 3200 W and 2500 W 1600 W and 5000 W 3200 W and 5200 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon load current both 2 and 3 maximum flux density supply frequency load current both 2 and 3 maximum flux density supply frequency ANSWER DOWNLOAD EXAMIANS APP