Alternators Majority of the alternators in the use have _____ None of the listed here Revolving field type construction Revolving ac armature winding Stationary field type construction None of the listed here Revolving field type construction Revolving ac armature winding Stationary field type construction ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator coupled to which primemover will usually have the highest rotating speed? Steam turbine Francis turbine Steam engine Reciprocating diesel engine Steam turbine Francis turbine Steam engine Reciprocating diesel engine ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 50 Hz 500 Hz 400 Hz 60 Hz 50 Hz 500 Hz 400 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 8 4 2 12 8 4 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to 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 Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases Increases ANSWER DOWNLOAD EXAMIANS APP