Electrical Machines Which of the following induction motor has maximum speed? 8 pole. 2 pole. 6 pole. 4 pole. 8 pole. 2 pole. 6 pole. 4 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction depends on which of the following? power factor of load magnitude of load current both 1 and 2 None of these power factor of load magnitude of load current both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3.33% +3.33% -3% +3% -3.33% +3.33% -3% +3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines High inrush of current during a starting of DC motor can efficiently be restricted to a safer value by increasing the _________________ resistance. none of above armature circuit both A and B shunt field none of above armature circuit both A and B shunt field ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by any of above methods. providing damper winding in the rotor pole faces. using a flywheel. designing the motor for adequate synchronizing power. any of above methods. providing damper winding in the rotor pole faces. using a flywheel. designing the motor for adequate synchronizing power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. remain the same. decrease. increase be unpredictable. remain the same. decrease. increase be unpredictable. ANSWER DOWNLOAD EXAMIANS APP
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