Alternators Majority of the alternators are Three phase Single phase None of the listed here Two phase Three phase Single phase None of the listed here Two phase ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases Decreases Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance None of the listed here Large armature resistance Complex effects of armature reaction Large leakage reactance 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. Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers Increasing the field excitation Decreasing the speed of prime movers Decreasing the field excitation Increasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 2 4 8 12 2 4 8 ANSWER DOWNLOAD EXAMIANS APP
Alternators The rotor of a turbo alternator is made cylindrical in order to reduce_______ None of the listed here Windage loss Eddy current loss Hysteresis loss None of the listed here Windage loss Eddy current loss Hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
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