Electrical Machines Pole changing methods are suitable only for ___________ type induction motor. cage. none of these. linear. wound. cage. none of these. linear. wound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Inter pole winding is connected in-------------------------- ? series with main poles series with armature parallel with main poles parallel with armature series with main poles series with armature parallel with main poles parallel with armature ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For the speed control of polyphase squirrel cage induction motor, if frequency of operation is decreased with constant supply voltage V, starting torque Tst decreases either of these constant V, Tst increases None of these constant supply voltage V, starting torque Tst decreases either of these constant V, Tst increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mechanical power is developed by a DC motor is maximum when none of above. back emf is equal to applied voltage. back emf is equal to half of applied voltage. back emf is equal to twice of applied voltage. none of above. back emf is equal to applied voltage. back emf is equal to half of applied voltage. back emf is equal to twice of applied voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Differently compared motor. Series motor. Cumulatively compound motor. Shunt motor. Differently compared motor. Series motor. Cumulatively compound motor. Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. The frequency of rotor current is 1 Hz 50 Hz 5 Hz 0 Hz 1 Hz 50 Hz 5 Hz 0 Hz ANSWER DOWNLOAD EXAMIANS APP
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