Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ 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 Driving torques of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Achieve synchronism None of the listed here Prevenent hunting Reduce windage loss Achieve synchronism None of the listed here Prevenent hunting Reduce windage loss ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.866 leading 0.5 lagging 0.866 lagging Unity 0.866 leading 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Modern 3-phase alternator of a central power station will have generated voltage of 11 kV 400 V 230 V 132 kV 11 kV 400 V 230 V 132 kV ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, armature reaction is considered equivalent to Fictitious resistance Fictitious conductance Fictitious reactance Fictitious impedance Fictitious resistance Fictitious conductance Fictitious reactance Fictitious impedance ANSWER DOWNLOAD EXAMIANS APP
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