Alternators In case of turbo-alternators the rotor is usually made of Manganese steel Forged steel Laminated stainless steel Cast iron Manganese steel Forged steel Laminated stainless steel Cast iron 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 The full load efficiency of an alternator _______with increases in speed. None of the listed here Remains unchanged Decreases Increases None of the listed here Remains unchanged Decreases 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 Pf becomes more leading Output kW will change None of the listed here Pf becomes more lagging Pf becomes more leading Output kW will change None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The disadvantaged of a short pitched coil is that _______ None of the listed here 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Dc motor None of the listed here Transformer Rectifier Dc motor None of the listed here Transformer Rectifier ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS