Electrical Machines Reversing the direction of rotation of split phase motors is done by reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. reversing the terminals of starting winding. interchanging the capacitor from starting winding to main winding or vice versa. All of these reversing the terminals of main winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC motors has almost constant speed over their full load range? Shunt. Series. none of these. Compound (cummolative). Shunt. Series. none of these. Compound (cummolative). ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 30° 72° 18° 36° 30° 72° 18° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit test on transformer gives copper loss both 1and 2 eddy current loss hysteresis loss copper loss both 1and 2 eddy current loss hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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 ______________. 8. 2. 6. 4. 8. 2. 6. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output power of a dc motor is given by EbIa. EbIa2. none of these. EIa. EbIa. EbIa2. none of these. EIa. ANSWER DOWNLOAD EXAMIANS APP