Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Lap winding. Wave winding. Both wave and lap winding. No wave and lap winding. Lap winding. Wave winding. Both wave and lap winding. No wave and lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Both 1 and 2 Hysteresis losses Eddy current losses Copper losses Both 1 and 2 Hysteresis losses Eddy current losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, air gap power is 10 Kw and mechanically developed power is 8 Kw. What are the rotor ohmic losses? 3KW 2KW 1.5KW 0.5Kw 3KW 2KW 1.5KW 0.5Kw ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips? 0.02, 1.98 0.04, 0.96 0.04, 1.96 0.02, 0.98 0.02, 1.98 0.04, 0.96 0.04, 1.96 0.02, 0.98 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The frame of an induction motor is made of closed grained cast iron. stainless steel. silicon steel. aluminium. closed grained cast iron. stainless steel. silicon steel. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. to make commutation spark less. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. to make commutation spark less. ANSWER DOWNLOAD EXAMIANS APP
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