Alternators The number of poles in turbo alternators is usually 4 12 50 2 4 12 50 2 ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field 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 ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. None of the listed here Hydraulic turbines Steam turbines Diesel engines None of the listed here Hydraulic turbines Steam turbines Diesel engines ANSWER DOWNLOAD EXAMIANS APP
Alternators The losses in an alternator are the same as in A dc machine None of the listed here A transformer A rectifier A dc machine None of the listed here A transformer A rectifier ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 120 Hz 60 Hz 50 Hz None of the listed here 120 Hz 60 Hz 50 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators in the use have _____ Revolving field type construction Revolving ac armature winding None of the listed here Stationary field type construction Revolving field type construction Revolving ac armature winding None of the listed here Stationary field type construction ANSWER DOWNLOAD EXAMIANS APP