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 The synchronous reactance of an alternator is generally _______ armature resistance. 5 times smaller than 10 to 100 times greater than 5 times greater than 10 times smaller than 5 times smaller than 10 to 100 times greater than 5 times greater than 10 times smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators A 3 phase alternator has 3-slot per pole. The distribution factor of the winding is _______ 0.866 0.5 1 None of the listed here 0.866 0.5 1 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators Three phase alternators are invariably star commected because Magnetic losses are the minimum Less turns of wire are required Higher terminal voltage is obtained Small conductors can be used Magnetic losses are the minimum Less turns of wire are required Higher terminal voltage is obtained Small conductors can be used ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses Strengthen the magnetic field Reduce distortion of waveform Cool the machine Reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity ANSWER DOWNLOAD EXAMIANS APP
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