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 The 3 - Φ induction motor with rotor circuit open will not run. run normally. make noise. get over heated. not run. run normally. make noise. get over heated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal synchronous motor has no starting torque because relative velocity between the stator and rotor mmf’s is zero. relative velocity between stator and rotor mmf’s is not zero. rotor is made up of salient poles. rotor winding is highly reactive. relative velocity between the stator and rotor mmf’s is zero. relative velocity between stator and rotor mmf’s is not zero. rotor is made up of salient poles. rotor winding is highly reactive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Capacitor start. Shaded pole. Capacitor run. Split phase. Capacitor start. Shaded pole. Capacitor run. Split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for commutation electromechanical energy conversion development of torque generation of voltage commutation electromechanical energy conversion development of torque generation of voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf remains constant. increases upto a limit and then remains almost constant. decreases. increases. remains constant. increases upto a limit and then remains almost constant. decreases. increases. ANSWER DOWNLOAD EXAMIANS APP