Electrical Machines Which of the following rotor requires damper winding? Cylindrical rotor. Salient pole rotor. None of these Both type rotor. Cylindrical rotor. Salient pole rotor. None of these Both type rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tappings of a transformer are provided at the middle of hv side at the phase end of hv side at the phase end of lv side at the neutral side end of hv side at the middle of hv side at the phase end of hv side at the phase end of lv side at the neutral side end of hv side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct axis reactance is defined as the ratio of Vmin to Imin Vmin to Imax Vmax to Imax Vmax to Imin Vmin to Imin Vmin to Imax Vmax to Imax Vmax to Imin ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to None of these two winding transformer with secondary short circuited. auto transformer. two winding transformer with secondary open circuited. None of these two winding transformer with secondary short circuited. auto transformer. two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What happens if fifth multiples of harmonics is given to induction motor? Fail to start. It will rotates in reverse direction. It will rotates in normal operation. Either short circuit or open circuit occurs. Fail to start. It will rotates in reverse direction. It will rotates in normal operation. Either short circuit or open circuit occurs. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine, the demagnetizing effect of armature reaction is due to magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length magnetic saturation in half of the field pole component of armature mmf along field axis non-sinusoidal nature of armature mmf uneven air-gap length ANSWER DOWNLOAD EXAMIANS APP
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