Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1/(1-S) 1-S S 1/S 1/(1-S) 1-S S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. shape of the pole shoe. size of air gap. clearance between tips of the adjacent pole shoes. all of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 60° 30° 18° 20° 60° 30° 18° 20° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 18° 36° 72° 30° 18° 36° 72° 30° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in a sub – station there is one 132 / 33 kV transformer whose secondary is connected with primary of one 33 / 11 kV transformer, the total transformation ratio of the sub – station will be, 7. 3. 12. 4. 7. 3. 12. 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For an ideal transformer the winding should have minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side no ohmic resistance on either side equal resistance on primary and secondary side minimum resistance on primary side and maximum resistance on secondary side maximum resistance on primary side and least resistance on secondary side no ohmic resistance on either side equal resistance on primary and secondary side ANSWER DOWNLOAD EXAMIANS APP
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