Alternators The stator of an alternator is identical to that of a ______ Dc generator 1-phase induction motor Roserberg generator 3-phase induction motor Dc generator 1-phase induction motor Roserberg generator 3-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. Increases Decreases Remians unchanged None of the listed here Increases Decreases Remians unchanged None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When two alternators are running in exact synchronism, the synchronising power will be Sum of the output of two Unity None of the listed here Zero Sum of the output of two Unity None of the listed here Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ No reactive power Lagging VAR Leading VAR None of the listed here No reactive power Lagging VAR Leading VAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 5 times greater than 5 times smaller than 10 times smaller than 10 to 100 times greater than 5 times greater than 5 times smaller than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Unchanged Half Double One fourth Unchanged Half Double ANSWER DOWNLOAD EXAMIANS APP