Alternators The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is _______ 1000 rpm 500 rpm 1500 rpm None of the listed here 1000 rpm 500 rpm 1500 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Alternators The slip rings emplyod in a 3-phase alternator in hydro station are insulated for Extra high tension voltage Very low voltage Low voltage Full armature voltage Extra high tension voltage Very low voltage Low voltage Full armature voltage ANSWER DOWNLOAD EXAMIANS APP
Alternators Turbo alternators have rotors of _______ Small diameter and long axial length Same diameter and axial length Large diameter and long axial length Large diameter and small axial length Small diameter and long axial length Same diameter and axial length Large diameter and long axial length Large diameter and small axial length ANSWER DOWNLOAD EXAMIANS APP
Alternators When the speed of an alternator is reduced by half, the generated emf will become Half Four times Twice One-fourth Half Four times Twice One-fourth ANSWER DOWNLOAD EXAMIANS APP
Alternators The magnitude of emf generated by an alternators depends on ______ All of the listed here Flux per pole Rotor speed Number of poles All of the listed here Flux per pole Rotor speed Number of poles ANSWER DOWNLOAD EXAMIANS APP
Alternators Excessive windage loss and noise occur with None of the listed here Cylindrical rotors Salient pole rotors Either cylindrical or salient None of the listed here Cylindrical rotors Salient pole rotors Either cylindrical or salient ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS