Alternators Low speed alternators are driven by ______ Steam engine Steam turbines Hydraulic turbines None of the listed here Steam engine Steam turbines Hydraulic turbines None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Zero power factor method for alternator is generally used to determine Efficiency of alternator Synchronous impedance of alternator None of the listed here Voltage regulation of the alternator Efficiency of alternator Synchronous impedance of alternator None of the listed here Voltage regulation of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators Copper losses of an alternator can be measured by Rectifier Transformer Dc motor None of the listed here Rectifier Transformer Dc motor None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Half Double One fourth Unchanged Half Double One fourth Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ Windage loss Eddy current loss None of the listed here Hysteresis loss Windage loss Eddy current loss None of the listed here Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
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