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
Electrical Machines DC Shunt Motor has disadvantage(s) of none of above. constant speed. less expensive. not suitable for rapidly changing loads. none of above. constant speed. less expensive. not suitable for rapidly changing loads. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If any two leads from slip rings are interchanged in a 3 - Φ induction motor, the motor will get damaged. not run. run in a direction opposite to previous one. continue running in the same direction as before. get damaged. not run. run in a direction opposite to previous one. continue running in the same direction as before. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature mmf in a dc machine is 1. stationary with respect to field poles 2. stationary with respect to armature 3. rotating with respect to field poles 4. rotating with respect to armature From these, the correct answer is 2, 3 1, 3 1, 4 2, 4 2, 3 1, 3 1, 4 2, 4 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum efficiency will occur, when copper loss is_______to iron loss? greater than equal to any of the above less than greater than equal to any of the above less than ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an induction machine is run at above the synchronous speed it acts as a synchronous motor None of these an induction motor an induction generator a synchronous motor None of these an induction motor an induction generator ANSWER DOWNLOAD EXAMIANS APP
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