Alternators Excessive windage loss and noise occur with None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient ANSWER DOWNLOAD EXAMIANS APP
Alternators The efficiency of the turbo-alternator _____ with increases in speed. None of the listed here Increases Remians unchanged Decreases None of the listed here Increases Remians unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 lagging 0.866 leading Unity 0.5 lagging 0.866 lagging 0.866 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ Hydraulic turbines Steam turbines None of the listed here Steam engine Hydraulic turbines Steam turbines None of the listed here Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Leading VAR None of the listed here Lagging VAR No reactive power Leading VAR None of the listed here Lagging VAR No reactive power ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times greater than 10 to 100 times greater than 5 times smaller than 10 times smaller than 5 times greater than 10 to 100 times greater than 5 times smaller than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS