Alternators Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Seventh Fifth Third Ninth Seventh Fifth Third Ninth ANSWER DOWNLOAD EXAMIANS APP
Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ None of the listed here 500 rpm 1000 rpm 1500 rpm None of the listed here 500 rpm 1000 rpm 1500 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators A two pole alternator is running at 1500 rpm. Its angular velocity is ______ 118 rad/s 157 rad/s 212 rad/s 192 rad/s 118 rad/s 157 rad/s 212 rad/s 192 rad/s ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with 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 Cylindrical rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS