Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. E = V + Ra. E = V – IaRa. E = V + IaRa. E = V + Ia. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field current is reduced to zero the maximum power developed by alternator is 1.644 KW. 0.9103 KW. 5.46 KW. 2.73 KW. 1.644 KW. 0.9103 KW. 5.46 KW. 2.73 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machines, the interpoles are provided 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. both (B) and (C). to counteract the reactance voltage and the cross-magnetizi to counteract demagnetizing effect of armature mmf in commutating zone. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reactive power generated or delivered significantly depends on excitation. both 1 and 2. load angle. frequency. excitation. both 1 and 2. load angle. frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which transformer, the tertiary winding is used? Delta - delta Delta - star Star - star Star - delta Delta - delta Delta - star Star - star Star - delta ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? None of the options. Electromagnets. Both B and C. Permanent magnets. None of the options. Electromagnets. Both B and C. Permanent magnets. ANSWER DOWNLOAD EXAMIANS APP
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