Notebook

Basic Electrical Engineering MCQ-14 41. Which of the following statement about D.C. generators is false ? (a) Compensating winding in a D.C. machine helps in commutation (b) In a D. C. generator interpoles winding is connected in series with the armature winding (c) Back pitch and front pitch are both odd...

Basic Electrical Engineering MCQ- 13 31. D.C. generators are connected to the busbars or disconnected from them only under the floating condition (a) to avoid sudden loading of the primemover (b) to avoid mechanicaljerk to the shaft (c) to avoid burning of switch contacts (d) all above Ans: d 32. Eddy currents...

Basic Electrical Engineering MCQ- 12 21. In D.C. generators, current to the external circuit from armature is given through (a) commutator (b) solid connection (c) slip rings (d) none of above Ans: a 23. Brushes of D.C. machines are made of (a) carbon (b) soft copper (c) hard copper (d) all of above Ans:...