Alternators High speed alternators are driven by _____. Hydraulic turbines None of the listed here Diesel engines Steam turbines Hydraulic turbines None of the listed here Diesel engines Steam turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators An alternator supplying power to a load with a leading power factor always has ______ voltage regulation. Zero Negative Unity Positive Zero Negative Unity Positive ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 60 Hz None of the listed here 120 Hz 50 Hz 60 Hz None of the listed here 120 Hz 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 Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Decreasing the field excitation Increasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______ 0.5 1 None of the listed here 0.866 0.5 1 None of the listed here 0.866 ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Is decreased None of the listed here Remains the same Is increased Is decreased None of the listed here Remains the same Is increased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS