Alternators The non salient field construction is used for _______ alternator. Medium speed High speed Low speed None of the listed here Medium speed High speed Low speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The frequency of emf generated in an 8-pole alternator running at 900 rpm is ______ 50 Hz 120 Hz None of the listed here 60 Hz 50 Hz 120 Hz None of the listed here 60 Hz ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Salient pole rotors None of the listed here Cylindrical rotors Either cylindrical or salient Salient pole rotors None of the listed here Cylindrical rotors Either cylindrical or salient ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. None of the listed here More than About the same as Less than None of the listed here More than About the same as Less than ANSWER DOWNLOAD EXAMIANS APP
Alternators Which of the following prime movers is the least efficient? Steam turbine Steam engine Diesel engine Gas turbine Steam turbine Steam engine Diesel engine Gas turbine ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.866 lagging Unity 0.5 lagging 0.866 leading 0.866 lagging Unity 0.5 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS