Alternators The disadvantaged of a short pitched coil is that _______ Voltage round the coil is reduced Waveform becomes non-sinusoidal None of the listed here Harmonics are introduced Voltage round the coil is reduced Waveform becomes non-sinusoidal None of the listed here Harmonics are introduced ANSWER DOWNLOAD EXAMIANS APP
Alternators The non salient field construction is used for _______ alternator. High speed Medium speed None of the listed here Low speed High speed Medium speed None of the listed here Low speed ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. None of the listed here Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 50 4 2 12 50 4 2 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ Rotor speed Flux per pole Number of poles All of the listed here Rotor speed Flux per pole Number of poles All of the listed here ANSWER DOWNLOAD EXAMIANS APP