Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part2 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.The e.m.f. generated by a shunt wound D.C. generator isE. Now while pole flux remains constant, if the speed of the generator is doubled, the e.m.f. generated will be |
| E/2 |
| 2E |
| slightly less than E |
| E |
12.In D.C. generators, lap winding is used for |
| high voltage, high current |
| low voltage, high current |
| high voltage, low current |
| low voltage, low current |
13.In D.C. generators, the brushes on commutator remain in contact with conductors which |
| lie under south pole |
| lie under north pole |
| lie under interpolar region |
| are farthest from the poles |
14.The function of pole shoes in the case of D.C. machine is |
| to reduce the reluctance of the magnetic path |
| to spread out the flux to achieve uniform flux density |
| to support the field coil |
| to discharge all the above functions |
15.Equilizer rings are required in case armature is |
| wave wound |
| lap wound |
| delta wound |
| duplex wound |
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