Alternators High speed alternators are driven by _____. None of the listed here Steam turbines Hydraulic turbines Diesel engines None of the listed here Steam turbines Hydraulic turbines Diesel engines ANSWER DOWNLOAD EXAMIANS APP
Alternators The full load efficiency of an alternator _______with increases in speed. Decreases None of the listed here Increases Remains unchanged Decreases None of the listed here Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than 10 to 100 times greater than 10 times smaller than 5 times smaller than 5 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators In huge alternators, the moving part is Brushes Poles None of the listed here Armature Brushes Poles None of the listed here Armature ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of a salient pole machine is nearly 1500 rpm 1000 rpm 3000 rpm 500 rpm 1500 rpm 1000 rpm 3000 rpm 500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of the system with which several alternators are paralleled can be increased of by simultaneously _______ of all generators. Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
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