Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 10 to 100 times greater than 5 times greater than 5 times smaller than 10 times smaller than 10 to 100 times greater than 5 times greater than 5 times smaller than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators In aircrafts, alternators have operating frequency of 60 Hz 800 Hz 400 Hz 50 Hz 60 Hz 800 Hz 400 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Leading Unity Lagging Zero Leading Unity Lagging Zero ANSWER DOWNLOAD EXAMIANS APP
Alternators Damper windings are used in alternators to Achieve synchronism Prevenent hunting Reduce windage loss None of the listed here Achieve synchronism Prevenent hunting Reduce windage loss None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same power rating, an alternator is ______that of a dc generator. Smaller in size than Of the same size as Larger in size than None of the listed here Smaller in size than Of the same size as Larger in size than None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The distribution of load between two alternators operating in parallel can be changed by changing ______ None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence None of the listed here Field excitation of alternators Driving torques of prime movers Phase sequence ANSWER DOWNLOAD EXAMIANS APP