Alternators Voltage regulation of an alternator is larger than that of a dc generator because of _______ Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction Large armature resistance None of the listed here Large leakage reactance Complex effects of armature reaction ANSWER DOWNLOAD EXAMIANS APP
Alternators The speed of an alternator is changed from 3000 rpm to 1500 rpm. The generated emf/phase will become One fourth Unchanged Half Double One fourth Unchanged Half Double ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with Either cylindrical or salient Cylindrical rotors Salient pole rotors None of the listed here Either cylindrical or salient Cylindrical rotors Salient pole rotors None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The voltage regulation of an alternator for a pf of 0.8 lagging is _______at unity pf. Greater than The same as None of the listed here Smaller than Greater than The same as None of the listed here Smaller than ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternator are generally used to run at 3000 rpm 1500 rpm 15000 rpm 5000 rpm 3000 rpm 1500 rpm 15000 rpm 5000 rpm ANSWER DOWNLOAD EXAMIANS APP
Alternators A turbo alternator uses ________ 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 None of the listed here ANSWER DOWNLOAD EXAMIANS APP