Electrical Machines Cogging and crawling are phenomena associated with any of the above. the former during starting and the latter at a fraction of its rated speed. the former at a fraction of its rate speed and the latter during starting. cage induction machines and they are essentially the same. any of the above. the former during starting and the latter at a fraction of its rated speed. the former at a fraction of its rate speed and the latter during starting. cage induction machines and they are essentially the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 340 A. 440 A. 250 A. 570 A. 340 A. 440 A. 250 A. 570 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is running with a divertor connected across its field winding. If the divertor resistance is reduced then the speed of the motor will become execessively high. remain unaltered. increase. decrease. become execessively high. remain unaltered. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? None of these Aame in both alternators. Hydro alternators. Turbo alternators. None of these Aame in both alternators. Hydro alternators. Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC Motor dc shunt motor with field weakening. dc series motor. dc shunt with armature resistance control. dc compound motor. dc shunt motor with field weakening. dc series motor. dc shunt with armature resistance control. dc compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided both (B) and (C). to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to make commutation spark less. to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. ANSWER DOWNLOAD EXAMIANS APP
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