Electrical Machines What is power factor of a 3 - φ induction motor at no load? Equal to 1. Low. Same as full load. High. Equal to 1. Low. Same as full load. High. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which slots are used in the rotor of an induction motor? None of above. Semi closed slots. Open slots. Closed slots. None of above. Semi closed slots. Open slots. Closed slots. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? speed both A and B flux (φ) armature current (I) speed both A and B flux (φ) armature current (I) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Scott connections are used for three phase to two phase transformation. any of the above. single phase to three phase transformation. three phase to single phase transformation. three phase to two phase transformation. any of the above. single phase to three phase transformation. three phase to single phase transformation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The size of inter poles is small as compared to main poles. What is the reason? In order to get more flux. All of these In order to get saturated. In order to not to get saturated. In order to get more flux. All of these In order to get saturated. In order to not to get saturated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 30. 270. 45. 180. 30. 270. 45. ANSWER DOWNLOAD EXAMIANS APP