Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 4 8 2 12 4 8 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators in the use have _____ Stationary field type construction Revolving ac armature winding Revolving field type construction None of the listed here Stationary field type construction Revolving ac armature winding Revolving field type construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The rating of an alternator is expressed in______ kVA HP kVAR kW kVA HP kVAR kW ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Diesel engine Gas turbine Steam engine Steam turbine Diesel engine Gas turbine Steam engine Steam turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field Reduce eddy current losses Cool the machine Reduce distortion of waveform Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
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