Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 500 rpm None of the listed here 1500 rpm 1000 rpm 500 rpm None of the listed here 1500 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators An under excited alternator supplies _______ Lagging VAR None of the listed here No reactive power Leading VAR Lagging VAR None of the listed here No reactive power Leading VAR ANSWER DOWNLOAD EXAMIANS APP
Alternators The field winding of an alternator is _____ excited. Both DC and AC None of the listed here AC DC Both DC and AC None of the listed here AC DC ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Steam turbines Steam engine Hydraulic turbines None of the listed here Steam turbines Steam engine Hydraulic turbines ANSWER DOWNLOAD EXAMIANS APP
Alternators In air-crafts, alternators have operating frequency of 400 Hz 500 Hz 50 Hz 60 Hz 400 Hz 500 Hz 50 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more leading Pf becomes more lagging None of the listed here Output kW will change Pf becomes more leading Pf becomes more lagging None of the listed here Output kW will change ANSWER DOWNLOAD EXAMIANS APP