Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole 8-pole None of the listed here 2-pole 4-pole 8-pole None of the listed here 2-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of a uniformly distributed winding, the value of distribution factor is 0.995 0.76 0.85 0.65 0.995 0.76 0.85 0.65 ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half Double One fourth Unchanged Half Double One fourth Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 12 4 50 2 12 4 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Unity Zero Negative Positive Unity Zero Negative Positive ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS