Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased Remains the same None of the listed here Is increased Is decreased Remains the same None of the listed here Is increased ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Synchronizing Balancing of load Transfer of load Phase sequence Synchronizing Balancing of load Transfer of load Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. AC None of the listed here DC Both DC and AC AC None of the listed here DC Both DC and AC ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field Cool the machine Reduce distortion of waveform Reduce eddy current losses Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum Small conductors can be used Less turns of wire are required Higher terminal voltage is obtained Magnetic losses are the minimum ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 8-pole 2-pole None of the listed here 4-pole 8-pole 2-pole None of the listed here 4-pole ANSWER DOWNLOAD EXAMIANS APP