Alternators The speed of a salient pole machine is nearly 500 rpm 1500 rpm 1000 rpm 3000 rpm 500 rpm 1500 rpm 1000 rpm 3000 rpm 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 The stator of an alternator rarely uses _____slots. Closed type Semi-closed type Wide open type None of the listed here Closed type Semi-closed type Wide open type 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 8 2 4 12 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than The same as Greater than None of the listed here Smaller than The same as Greater than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Lagging Unity Leading Zero Lagging Unity Leading Zero ANSWER DOWNLOAD EXAMIANS APP