Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 50 Hz 0 Hz 1 Hz 5 Hz 50 Hz 0 Hz 1 Hz 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In auto transformer if the turn ratio is K, what is the power transferred inductively? both A and B (1-K) × input power K × input power None of these both A and B (1-K) × input power K × input power None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following motor is preferred for belt conveyor? Reluctance motor. Synchronous motors. Slip ring induction motor. Universal motor. Reluctance motor. Synchronous motors. Slip ring induction motor. Universal motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators brushes are used for collecting of voltage collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss collecting of voltage collecting of current without any sparkings convert ac armature current in to dc reduce eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the armature windings are placed on the rotor because of the necessity for development of torque electromechanical energy conversion generation of voltage commutation development of torque electromechanical energy conversion generation of voltage commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering pole stacking All of these compensating winding pole chamfering pole stacking All of these compensating winding ANSWER DOWNLOAD EXAMIANS APP
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