Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than Smaller than None of the listed here The same as Greater than Smaller than None of the listed here The same as ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here Phase sequence Driving torques of prime movers Field excitation of alternators None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length Same diameter and axial length ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the stator frame serves To hold the armature stampings As a return path for the flux To verticate the armature To protect the whole machine To hold the armature stampings As a return path for the flux To verticate the armature To protect the whole machine ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 2 4 12 8 2 4 12 8 ANSWER DOWNLOAD EXAMIANS APP
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