Alternators The power factor of an alternator is determined by its Load Speed Primemover Excitation Load Speed Primemover Excitation ANSWER DOWNLOAD EXAMIANS APP
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 When two alternators are running in exact synchronism, the synchronising power will be Zero None of the listed here Unity Sum of the output of two Zero None of the listed here Unity Sum of the output of two ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm 1000 rpm None of the listed here 500 rpm 1500 rpm 1000 rpm None of the listed here 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Very low voltage Full armature voltage Low voltage Extra high tension voltage Very low voltage Full armature voltage Low voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine ANSWER DOWNLOAD EXAMIANS APP
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