Electrical Machines What will be the maximum power factor of an induction motor for dispersion coefficient of 0.05? 0.05. 20. 0.905. 1.1. 0.05. 20. 0.905. 1.1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the speed of a dc motor increases with load torque, then it is a comulatively compounded motor differentially compounded motor series motor permanent magnet motor comulatively compounded motor differentially compounded motor series motor permanent magnet motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction of an unsaturated DC machine is none of above. magnetising. demagnetising. crossmagnetising. none of above. magnetising. demagnetising. crossmagnetising. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of generated emf in the armature coil of a DC machine is 1. the same as that of the current in a generator 2. the same as that of the current in a motor 3. opposite to that of the current in a generator 4. opposite to that of the current in a motor From these, the correct answer is 2, 3 2, 4 1, 3 1, 4 2, 3 2, 4 1, 3 1, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at any of the above. unity power factor. leading power factor. lagging power factor. any of the above. unity power factor. leading power factor. lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Secondary winding of an auto transformer is also called damping winding. tertiary winding. compensating winding. common winding. damping winding. tertiary winding. compensating winding. common winding. ANSWER DOWNLOAD EXAMIANS APP
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