Alternators The disadvantaged of a short pitched coil is that _______ None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced None of the listed here Harmonics are introduced Waveform becomes non-sinusoidal Voltage round the coil is reduced ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Decreases Remains the same Increases None of the listed here Decreases Remains the same Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator rarely uses _____slots. Wide open type None of the listed here Closed type Semi-closed type Wide open type None of the listed here Closed type Semi-closed type ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Is decreased None of the listed here Remains the same Is increased Is decreased None of the listed here Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is due to ______ Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading Unity 0.5 lagging 0.866 lagging 0.866 leading Unity 0.5 lagging 0.866 lagging ANSWER DOWNLOAD EXAMIANS APP