Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current None of above. Increases. Remains unchanged. Decreases. None of above. Increases. Remains unchanged. Decreases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Capacitor split phase motor Capacitor run motor Resistance split phase motor All of these Capacitor split phase motor Capacitor run motor Resistance split phase motor All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, which component plays the vital role to produce the direct current? Brush. Yoke. Commutator. Armature. Brush. Yoke. Commutator. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following windings are necessary in case of all dc machines? lap winding closed winding open type winding wave winding lap winding closed winding open type winding wave winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 168.75 W 112.5 W 75 W 50 W 168.75 W 112.5 W 75 W 50 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces no torque. damping torqe. eddy current torque. both 1 and 2. no torque. damping torqe. eddy current torque. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
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