Electrical Machines In alternator, the rotary part is core. armature. magnetic field poles. none of these. core. armature. magnetic field poles. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An unexcited single phase synchronous motor is reluctance motor. universal motor. AC series motor. repulsion motor. reluctance motor. universal motor. AC series motor. repulsion motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Cross magnetization Demagnetization Magnetization None of these Cross magnetization Demagnetization Magnetization None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A voltmeter gives 120 oscillations per minute when connected to the rotor of an induction motor. The frequency is 50Hz. The slip of the motor is 4% 25% 2% 5% 4% 25% 2% 5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is none of these. equal as power transformer. lesser than power transformer. higher than power transformer. none of these. equal as power transformer. lesser than power transformer. higher than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. None of these auto transformer. two winding transformer with secondary open circuited. two winding transformer with secondary short circuited. None of these auto transformer. ANSWER DOWNLOAD EXAMIANS APP