Alternators When load on an alternator is increased, the terminal voltage increases if the load pf is ______ Lagging Unity Zero Leading Lagging Unity Zero Leading ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with None of the listed here Salient pole rotors Either cylindrical or salient Cylindrical rotors None of the listed here Salient pole rotors Either cylindrical or salient Cylindrical rotors ANSWER DOWNLOAD EXAMIANS APP
Alternators If the excitation of an alternator operating in parallel with other alternators is decreased, its ______ Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change Pf becomes more lagging None of the listed here Pf becomes more leading Output kW will change ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1500 rpm 1000 rpm 500 rpm None of the listed here 1500 rpm 1000 rpm 500 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the effect of armature reaction is minimum at power factor of ______ 0.5 lagging Unity 0.866 lagging 0.866 leading 0.5 lagging Unity 0.866 lagging 0.866 leading ANSWER DOWNLOAD EXAMIANS APP
Alternators In an alternator, the frequency of voltage generated depend on Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here Number of poles only Rotative speed only Both rotative speed and number of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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