Alternators The synchronous reactance of an alternator is due to ______ None of the listed here Armature reaction Dc field excitation Leakage flux None of the listed here Armature reaction Dc field excitation Leakage flux ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform Cool the machine Strengthen the magnetic field Reduce eddy current losses Reduce distortion of waveform ANSWER DOWNLOAD EXAMIANS APP
Alternators Where the terminal voltage of an alternator falls on throwing of the load, it indicates that the load is purely Inductive Resistive None of the listed here Capacitive Inductive Resistive None of the listed here Capacitive ANSWER DOWNLOAD EXAMIANS APP
Alternators High speed alternators are driven by _____. None of the listed here Steam turbines Diesel engines Hydraulic turbines None of the listed here Steam turbines Diesel engines Hydraulic turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become Unchanged Half Double One fourth Unchanged Half Double One fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators A lower voltage alternator, for the same power rating, will be Larger in size More efficient More costly Operating at high rpm Larger in size More efficient More costly Operating at high rpm ANSWER DOWNLOAD EXAMIANS APP