Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators For the same rating, the size of low speed alternator is ______that of high speed alternator. Less than None of the listed here More than About the same as Less than None of the listed here More than About the same as ANSWER DOWNLOAD EXAMIANS APP
Alternators The synchronous reactance of an alternator is generally _______ armature resistance. 5 times greater than 5 times smaller than 10 times smaller than 10 to 100 times greater than 5 times greater than 5 times smaller than 10 times smaller than 10 to 100 times greater than ANSWER DOWNLOAD EXAMIANS APP
Alternators Majority of the alternators in the use have _____ None of the listed here Stationary field type construction Revolving field type construction Revolving ac armature winding None of the listed here Stationary field type construction Revolving field type construction Revolving ac armature winding ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here Output kW will change Pf becomes more lagging Pf becomes more leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators If the lagging load pf of an alternator is decreased, the demagnetising effect of armature reaction _______ Remains the same Is increased Is decreased None of the listed here Remains the same Is increased Is decreased None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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