Alternators In air-crafts, alternators have operating frequency of 50 Hz 60 Hz 400 Hz 500 Hz 50 Hz 60 Hz 400 Hz 500 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators The salient pole construction for field structure of an alternator is generally used for ______ machine. 4-pole None of the listed here 2-pole 8-pole 4-pole None of the listed here 2-pole 8-pole ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors Cylindrical rotors Either cylindrical or salient None of the listed here Salient pole rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator rarely uses _____slots. Wide open type Semi-closed type None of the listed here Closed type Wide open type Semi-closed type None of the listed here Closed type ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Low voltage Very low voltage Full armature voltage Extra high tension voltage Low voltage Very low voltage Full armature voltage Extra high tension voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 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 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
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