Alternators The speed of a salient pole machine is nearly 1000 rpm 1500 rpm 500 rpm 3000 rpm 1000 rpm 1500 rpm 500 rpm 3000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator the armature reaction is mainly influenced by Short circuit ratio The power factor of the load Total current drawn Speed of the alternator Short circuit ratio The power factor of the load Total current drawn Speed of the alternator ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Larger in size than Of the same size as None of the listed here Smaller in size than Larger in size than Of the same size as None of the listed here Smaller in size than ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Remains unchanged None of the listed here Increases Decreases Remains unchanged None of the listed here Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators The airgap in an alternator is ________ in an induction motor. None of the listed here Much longer than Much shorter than About same as None of the listed here Much longer than Much shorter than About same as ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change None of the listed here Pf becomes more leading Pf becomes more lagging Output kW will change None of the listed here Pf becomes more leading Pf becomes more lagging ANSWER DOWNLOAD EXAMIANS APP