Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 2 8 4 1 2 8 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 240 V DC series motor takes 40 A when giving its rated output at 1500 rpm. Its resistance is 0.3 ohms. The value of resistance which must be added to obtain rated torque at 1000 rpm is 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. 2.2 ohms. 6 ohms. 1.9 ohms. 5.7 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Cast iron. Silicon steel. Fibre. Mild steel. Cast iron. Silicon steel. Fibre. Mild steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 3000W 500W 100W 1000W 3000W 500W 100W 1000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to make commutation spark less. to counteract demagnetizing effect of armature mmf in commutating zone. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Speed of DC motor can be controlled by varying resistance of armature culture. its flux oer pole. all of these. applied voltage. resistance of armature culture. its flux oer pole. all of these. applied voltage. ANSWER DOWNLOAD EXAMIANS APP
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