Alternators In aircrafts, alternators have operating frequency of 400 Hz 50 Hz 800 Hz 60 Hz 400 Hz 50 Hz 800 Hz 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length Large diameter and long axial length Same diameter and axial length Small diameter and long axial length Large diameter and small axial length 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. Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation Decreasing the speed of prime movers Increasing the speed of prime movers Increasing the field excitation Decreasing the field excitation ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, for a coil having a span of 2/3 of pole pitch, the coil span factor will be 0.866 0.6 0.2 0.707 0.866 0.6 0.2 0.707 ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the stator frame serves To protect the whole machine As a return path for the flux To verticate the armature To hold the armature stampings To protect the whole machine As a return path for the flux To verticate the armature To hold the armature stampings ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 4 50 12 2 4 50 12 2 ANSWER DOWNLOAD EXAMIANS APP
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