Electrical Machines What is the actual arrangement of series wound generator? Armature and field both are in series with the load. Armature and field both are parallel. Armature and field both are connected. Armature winding is in series with load. Armature and field both are in series with the load. Armature and field both are parallel. Armature and field both are connected. Armature winding is in series with load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase slip ring induction motor is wound for 4 poles on stator and 6 poles on the rotor. When 3-phase balanced voltage source at 50 Hz is applied, it will run at 750rpm 1000 rpm 1500 rpm zero speed 750rpm 1000 rpm 1500 rpm zero speed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running at rated speed without any additional resistance in series. If an additional resistance is placedin series, the speed of motor Remains unchanged. Decreases. Oscillates around the rated speed. Increases. Remains unchanged. Decreases. Oscillates around the rated speed. Increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a resistance split phase motor, what is the range of torque angle? 70° to 85° 90° 0° 25° to 30° 70° to 85° 90° 0° 25° to 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 94% 92% 95% 96% 94% 92% 95% 96% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing any one or more of the above methods. inter poles. compensating winding. high resistance carbon brushes. any one or more of the above methods. inter poles. compensating winding. high resistance carbon brushes. ANSWER DOWNLOAD EXAMIANS APP
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