Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases None of the listed here Remains unchanged Increases Decreases None of the listed here Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Alternators Alternators are usually design to generate Definite power factor Definite frequencies Variable frequncies Definite currents Definite power factor Definite frequencies Variable frequncies Definite currents ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power Leading VAR None of the listed here Lagging VAR No reactive power Leading VAR None of the listed here Lagging VAR 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 An alternator is somtimes called _______ generator. None of the listed here Asynchronous Synchronous Rosenberg None of the listed here Asynchronous Synchronous Rosenberg ANSWER DOWNLOAD EXAMIANS APP