Alternators Turbo alternators have rotors of _______ Large diameter and long axial length Same diameter and axial length Large diameter and small axial length Small diameter and long axial length Large diameter and long axial length Same diameter and axial length Large diameter and small axial length Small diameter and long axial length ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here Waveform becomes non-sinusoidal Harmonics are introduced Voltage round the coil is reduced None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC AC ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf None of the listed here Decreases Remains the same Increases None of the listed here Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Both rotative speed and number of poles None of the listed here Rotative speed only Number of poles only Both rotative speed and number of poles None of the listed here Rotative speed only Number of poles only ANSWER DOWNLOAD EXAMIANS APP