Electrical Machines Brushes are always placed on--------------- , in order to achieve sparkles commutation? GNA MNA either GNA or MNA None of these GNA MNA either GNA or MNA None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wound rotor type IM is used for____________ speed operation. minimum. constant. variable. maximum. minimum. constant. variable. maximum. 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 the armature circuit. Any of the above. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. Connecting an additional resistance in the armature circuit. Any of the above. Connecting an additional resistance in stator circuit. Connecting an additional resistance in the field circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is low at light loads only low at heavy loads only both A and B low at rated load only low at light loads only low at heavy loads only both A and B low at rated load only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is lagging power factor unity power factor leading power factor None of these lagging power factor unity power factor leading power factor None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound 4 pole dc motor has 460 conductors. Find the number of parallel paths between the conductors? 6. 2. 4. data provided is insufficient. 6. 2. 4. data provided is insufficient. ANSWER DOWNLOAD EXAMIANS APP
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