Electrical Machines The armature of a DC motor is laminated to reduce hysteresis loss. friction and windage loss. copper loss. eddy current loss. hysteresis loss. friction and windage loss. copper loss. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is R = S.X 0.5 lagging zero unity 0.707 lagging R = S.X 0.5 lagging zero unity 0.707 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor drawing an armature current of Ia is operating under saturated magnetic conditions. The torque developed in the motor is proportional to 1/Ia Ia I/Ia2 Ia2 1/Ia Ia I/Ia2 Ia2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 1 6 2 4 1 6 2 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage regulation can be determined by which of the following? MMf method. Synchronous impedance method. ZPF method. All of these MMf method. Synchronous impedance method. ZPF method. All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load pure capacitive load None of these pure resistive load pure inductive load pure capacitive load None of these pure resistive load ANSWER DOWNLOAD EXAMIANS APP
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