Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Rotative speed only Number of poles only None of the listed here Both rotative speed and number of poles Rotative speed only Number of poles only None of the listed here Both rotative speed and number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Unchanged Double Half One fourth Unchanged Double Half ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Increases Decreases None of the listed here Remians unchanged Increases Decreases None of the listed here Remians unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Is increased None of the listed here Remains the same Is decreased Is increased None of the listed here Remains the same ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ All of the listed here Flux per pole Number of poles Rotor speed All of the listed here Flux per pole Number of poles Rotor speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS