Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half Unchanged One fourth Double Half Unchanged One fourth Double ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Rotative speed only Both rotative speed and number of poles Number of poles only None of the listed here Rotative speed only Both rotative speed and number of poles Number of poles only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the number of poles of an alternator is increased, the generated emf Increases Decreases Remains the same None of the listed here Increases Decreases Remains the same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half One-fourth Twice Four times Half One-fourth Twice Four times ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Same diameter and axial length Large diameter and long axial length Small diameter and long axial length Large diameter and small axial length Same diameter and axial length Large diameter and long axial length Small diameter and long axial length Large diameter and small axial length ANSWER DOWNLOAD EXAMIANS APP
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