Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Unity Lagging Zero Leading Unity Lagging Zero Leading ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. None of the listed here Less than More than About the same as None of the listed here Less than More than About the same as 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 Driving torques of prime movers Field excitation of alternators Phase sequence None of the listed here Driving torques of prime movers Field excitation of alternators Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The dark and bright lamp method is used for Transfer of load Balancing of load Synchronizing Phase sequence Transfer of load Balancing of load Synchronizing Phase sequence ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP