Electrical Machines Total core loss is also called as -------------? Magnetic loss Eddy current loss Copper loss Hysteresis loss Magnetic loss Eddy current loss Copper loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor is clockwise when it is supplied with 3 - Φ sinusoidal voltage having phase sequence A - B - C. For counterclockwise rotation of motor, the phase sequence of the supply should be B - C - A. B - C - A or C - A - B. A - C - B. C - A - B. B - C - A. B - C - A or C - A - B. A - C - B. C - A - B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the same power output rating and full load speed, the motor will have poorest starting torque, is Differential compound. Shunt. Series. Cummulative compound. Differential compound. Shunt. Series. Cummulative compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator has a critical field resistance of 300 Ω at a speed of 800 rpm if the speed is raised to 1000 rpm the critical field resistance is 145 Ω. 150 Ω. 225 Ω. 375 Ω. 145 Ω. 150 Ω. 225 Ω. 375 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the emf generated by the armature is maximum when rate of change of flux is minimum. rate of change of flux is maximum. induced voltage is high. shaft rotation is high. rate of change of flux is minimum. rate of change of flux is maximum. induced voltage is high. shaft rotation is high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these Compensating winding will act under the pole. Inter pole winding will act in interpolar region. Both A and B. None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS