Electrical Machines A transformer has hysteresis loss of 30 W, at 240 V, 60 Hz. The hysteresis loss at 200 V, 50 Hz will be 28 W. 36 W. 25 W. 30 W. 28 W. 36 W. 25 W. 30 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant voltage control constant torque control constant current control constant power control constant voltage control constant torque control constant current control constant power control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An inverted V-curve of synchronous motor shows the variation of power factor and dc excitation at constant load supply voltage and field current at constant excitation power factor and supply voltage during hunting All of these power factor and dc excitation at constant load supply voltage and field current at constant excitation power factor and supply voltage during hunting All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 1000W 500W 100W 3000W 1000W 500W 100W 3000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eg (generated emf) and Eb (back emf) both are same. changes. none of above. different. same. changes. none of above. different. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In shaded pole induction motors, the flux moves from ------------- region to ----------------- region respectively? unshaded, shaded shaded, shaded unshaded, unshaded shaded, unshaded unshaded, shaded shaded, shaded unshaded, unshaded shaded, unshaded ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS