Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Unity Leading Zero Lagging Unity Leading Zero Lagging 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 Half Double Unchanged One fourth Half Double Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. None of the listed here The same as Smaller than Greater than None of the listed here The same as Smaller than Greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator depends on Load current only Power factor only Both load current and pf None of the listed here Load current only Power factor only Both load current and pf None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Twice One-fourth Half Four times Twice One-fourth Half Four times ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than 10 times smaller than 5 times greater than 5 times smaller than 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
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