Electrical Machines For high current and low current rating which winding is employed to DC machine? Wave winding Both lap and wave winding Lap winding None of above Wave winding Both lap and wave winding Lap winding None of above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutators in DC machines have a role of which converts high voltage DC to low voltage DC. AC to DC. none of these. Both AC to DC and DC to AC. high voltage DC to low voltage DC. AC to DC. none of these. Both AC to DC and DC to AC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along armature axis. geometrical neutral axis. load axis. magnetic neutral axis. armature axis. geometrical neutral axis. load axis. magnetic neutral axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole generator with 16 coil has a two layer lap winding. The pole pitch is 8. 32. 4. 16. 8. 32. 4. 16. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Burn. Run at normal speed. Run at lower speed. Not run. Burn. Run at normal speed. Run at lower speed. Not run. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by decreasing of frequency. increasing of frequency. speed can not be increased. increasing number of poles. decreasing of frequency. increasing of frequency. speed can not be increased. increasing number of poles. ANSWER DOWNLOAD EXAMIANS APP