Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be None of these oscillating pulsating and unidirectional steady and unidirectional None of these oscillating pulsating and unidirectional steady and unidirectional ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and interpolar axis direct axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis quadrature axis and interpolar axis direct axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 100 KVA transformer is operating at 60 Hz, 240 V supply. The same transformer is operating at 50 Hz, 200 V supply. The new rating is 123.3 KVA 100 KVA 50 KVA 83.33 KVA 123.3 KVA 100 KVA 50 KVA 83.33 KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC Series motor, speed lower than the rated speed can be obtained by Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in the armature circuit. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. Any of the above. Connecting an additional resistance in the armature circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole stacking compensating winding pole chamfering All of these pole stacking compensating winding pole chamfering All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following alternators contain large number of poles? Aame in both alternators. None of these Hydro alternators. Turbo alternators. Aame in both alternators. None of these Hydro alternators. Turbo alternators. ANSWER DOWNLOAD EXAMIANS APP
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