Alternators Hydrogen is used in large alternators mainly to 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 Cool the machine ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Synchronizing Phase sequence Transfer of load Balancing of load Synchronizing Phase sequence Transfer of load Balancing of load ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of cycles generated in a 6-pole alternators in one revolution is _______ 3 50 None of the listed here 6 3 50 None of the listed here 6 ANSWER DOWNLOAD EXAMIANS APP
Alternators The ac armature winding of an alternator is _______ None of the listed here Always star connected Star-delta connected Generally delta connected None of the listed here Always star connected Star-delta connected Generally delta connected ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. The same as Greater than None of the listed here Smaller than The same as Greater than None of the listed here Smaller than 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 One fourth Double Unchanged Half One fourth Double ANSWER DOWNLOAD EXAMIANS APP