Alternators The full load efficiency of an alternator _______with increases in speed. Decreases Remains unchanged Increases None of the listed here Decreases Remains unchanged Increases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 12 2 8 4 12 2 8 4 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 protect the whole machine To verticate the armature To hold the armature stampings As a return path for the flux To protect the whole machine To verticate the armature ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, armature reaction is considered equivalent to Fictitious conductance Fictitious impedance Fictitious reactance Fictitious resistance Fictitious conductance Fictitious impedance Fictitious reactance Fictitious resistance ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is increased Remains the same Is decreased None of the listed here Is increased Remains the same Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence ANSWER DOWNLOAD EXAMIANS APP