Electrical Machines Resistance commutation is used generally in case of fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. fractional kW DC machines. None of these DC machines above 10 kW. DC machines bellow 5 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss is proportional to f1.5. f2. f. f3. f1.5. f2. f. f3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An alternator is feeding an infinite busbar. Its prime mover is suddenly shutdown. The alternator will continue to work as synchronous motor with same direction of rotation. come to stand still. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. continue to work as synchronous motor with same direction of rotation. come to stand still. continue to work as alternator but the direction of rotation will reverse. start working as induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of single phase induction motor is having the highest power factor at full load ? Capacitor start. Shaded pole type. Capacitor run type. Split phase type. Capacitor start. Shaded pole type. Capacitor run type. Split phase type. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will burn. run at very low speed. start haunting. run at very high speed. burn. run at very low speed. start haunting. run at very high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is not found in which motor? DC series. DC compound. Induction motor. DC shunt. DC series. DC compound. Induction motor. DC shunt. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS