Electrical Machines In DC generators, the brushes remain in contact with conductors which there is no hard and fast rule for this. lie under south pole. lie under north pole. lie in the inter polar gaps. there is no hard and fast rule for this. lie under south pole. lie under north pole. lie in the inter polar gaps. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 4 pole lap winding is used. The number of parallel paths are? 8 4 1 2 8 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. any of above method. none of above. rheostatic control. Ward Leonard control. any of above method. none of above. rheostatic control. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by paper insulation. wooden insulation. rubber insulation. cotton insulation. paper insulation. wooden insulation. rubber insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What does happen if tripled harmonics given to induction motor? Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. Will results in short circuit. Nothing will happen. Fail to start. Will results in open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has maximum value. average value. total value. rms value. maximum value. average value. total value. rms value. ANSWER DOWNLOAD EXAMIANS APP