Alternators The magnitude of emf generated by an alternators depends on ______ Rotor speed Flux per pole All of the listed here Number of poles Rotor speed Flux per pole All of the listed here Number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. Less than None of the listed here About the same as More than Less than None of the listed here About the same as More than ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses Cool the machine Strengthen the magnetic field Reduce distortion of waveform Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. Hydraulic turbines Diesel engines Steam turbines None of the listed here Hydraulic turbines Diesel engines Steam turbines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators are generally used to run at 1500 rpm 1500 rpm 5000 rpm 3000 rpm 1500 rpm 1500 rpm 5000 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP