Electrical Engineering : Dc Generators QUESTIONS AND ANSWERS :: part2 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.If brushes of a D.C. generator are moved in order to bring these brushes in magnetic neutral axis, there will be |
| demagnetisation only |
| cross magnetisation as well as magnetisation |
| crossmagnetisation as well as demagnetising |
| cross magnetisation only |
2.Armature reaction of an unsaturated D.C. machine is |
| crossmagnetising |
| demagnetising |
| magnetising |
| none of above |
3.In the case of lap winding resultant pitch is |
| multiplication of front and back pitches |
| division of front pitch by back pitch |
| sum of front and back pitches |
| difference of front and back pitches |
4.Welding generator will have |
| lap winding |
| wave winding |
| delta winding |
| duplex wave winding |
5.The armature core of a D.C. generator is usually made of |
| silicon steel |
| copper |
| non-ferrous material |
| cast-iron |
More Dc Generators QUESTIONS AND ANSWERS available in next pages
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