Alternators In an alternator the armature reaction is mainly influenced by Total current drawn Speed of the alternator The power factor of the load Short circuit ratio Total current drawn Speed of the alternator The power factor of the load Short circuit ratio ANSWER DOWNLOAD EXAMIANS APP
Alternators The stator of an alternator is wound for _______on the rotor. Less number of poles than None of the listed here The same number of poles as More number of poles than Less number of poles than None of the listed here The same number of poles as More number of poles than ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Cylindrical rotors None of the listed here Either cylindrical or salient Salient pole rotors Cylindrical rotors None of the listed here Either cylindrical or salient Salient pole rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators The number of poles in turbo alternators is usually 2 12 4 50 2 12 4 50 ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Double Half Unchanged One fourth Double Half Unchanged ANSWER DOWNLOAD EXAMIANS APP
Alternators Hydrogen is used in large alternators mainly to Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field Cool the machine Reduce eddy current losses Reduce distortion of waveform Strengthen the magnetic field ANSWER DOWNLOAD EXAMIANS APP
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