Electrical Machines The speed of a 50 Hz three phase induction motor under full load condition is 725 rpm the number of poles of the motor are ______________. 6. 2. 4. 8. 6. 2. 4. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage to a dc machine is 230 V, then the back emf, for maximum power developed, is 230 V 115 V 460 V 200 V 230 V 115 V 460 V 200 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon load current supply frequency maximum flux density both 2 and 3 load current supply frequency maximum flux density both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which 1 - Φ motor does operate at high power factor? Shaded pole. Capacitor start. Capacitor run. Split phase. Shaded pole. Capacitor start. Capacitor run. Split phase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of starting winding. All of these reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. reversing the terminals of starting winding. All of these reversing the terminals of main winding. interchanging the capacitor from starting winding to main winding or vice versa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loop represents the area of hysteresis loss eddy current loss total iron losses copper loss hysteresis loss eddy current loss total iron losses copper loss ANSWER DOWNLOAD EXAMIANS APP