Electrical Machines The slot edges in a DC machine are made of Fibre. Silicon steel. Mild steel. Cast iron. Fibre. Silicon steel. Mild steel. Cast iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for increase efficiency collecting of current reduce losses convert AC armature current in to DC increase efficiency collecting of current reduce losses convert AC armature current in to DC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fifth harmonic component of the induced voltage in three phase AC generator can be eliminated by using a winding pitch of 5 / 6. 4 / 5. 6 / 7. 2 / 3. 5 / 6. 4 / 5. 6 / 7. 2 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the frequency of rotor current of 50 Hz induction motor operating at 4% slip? 1 Hz 2HZ 50Hz 2.5Hz 1 Hz 2HZ 50Hz 2.5Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor when the rotor speed exceeds the synchronous speed during hunting the damper bars develop induction generator torque. negative sequence currents are generated. the damper bars develop synchronous motor torque. the damper bars develop induction motor torque. the damper bars develop induction generator torque. negative sequence currents are generated. the damper bars develop synchronous motor torque. the damper bars develop induction motor torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial as well as longitudinal. none of these. radial. longitudinal. radial as well as longitudinal. none of these. radial. longitudinal. ANSWER DOWNLOAD EXAMIANS APP
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