Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 2-pole 8-pole 4-pole None of the listed here 2-pole 8-pole 4-pole None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is Poles None of the listed here Brushes Armature Poles None of the listed here Brushes Armature ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to 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 Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be More efficient More costly Operating at high rpm Larger in size More efficient More costly Operating at high rpm Larger in size ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Gas turbine Diesel engine Steam turbine Steam engine Gas turbine Diesel engine Steam turbine Steam engine ANSWER DOWNLOAD EXAMIANS APP