Alternators Alternators are usually design to generate Definite power factor Definite frequencies Variable frequncies Definite currents Definite power factor Definite frequencies Variable frequncies Definite currents 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 field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers Increasing the field excitation Increasing the speed of prime movers Decreasing the field excitation Decreasing the speed of prime movers ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 800 Hz 50 Hz 60 Hz 400 Hz 800 Hz 50 Hz 60 Hz 400 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators For producing an emf of given frequency, an alternator will run at greatest speed for _____ poles. 4 2 8 12 4 2 8 12 ANSWER DOWNLOAD EXAMIANS APP
Alternators Low speed alternators are driven by ______ None of the listed here Hydraulic turbines Steam turbines Steam engine None of the listed here Hydraulic turbines Steam turbines Steam engine ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Smaller than The same as None of the listed here Greater than Smaller than The same as None of the listed here Greater than ANSWER DOWNLOAD EXAMIANS APP