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 Which harmonic will be totally eliminate in an alternator by using a fractional pitch of 4/5 ? Third Seventh Ninth Fifth Third Seventh Ninth Fifth ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ None of the listed here Salient pole field structure Rotating ac machine winding Nonsalient pole field structure None of the listed here Salient pole field structure Rotating ac machine winding Nonsalient pole field structure ANSWER DOWNLOAD EXAMIANS APP
Alternators Where the terminal voltage of an alternator falls on throwing of the load, it indicates that the load is purely Inductive Capacitive Resistive None of the listed here Inductive Capacitive Resistive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging 0.5 lagging Unity 0.866 leading 0.866 lagging 0.5 lagging Unity 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators In case of turbo-alternators the rotor is usually made of Cast iron Laminated stainless steel Manganese steel Forged steel Cast iron Laminated stainless steel Manganese steel Forged steel ANSWER DOWNLOAD EXAMIANS APP
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