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Electrical Transformer Quiz #6.
- 25 Questions (Selected Randomly)
- 25 Marks (1 Mark/Question)
- 25 Minutes of Time
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- Answered
- Review
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Question 1 of 25
1. Question
In a transformer, the leakage flux depends upon …..
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Question 2 of 25
2. Question
Sludge in transformer oil is due to …..
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Question 3 of 25
3. Question
Generally, the thickness of a 50 Hz transformer lamination is …..
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Question 4 of 25
4. Question
In the transformer, oil is used to …..
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Question 5 of 25
5. Question
The transformer of core loss is represented as …..
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Question 6 of 25
6. Question
In the transformer, grain-oriented laminated sheet steel reduces …..
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Question 7 of 25
7. Question
The parallel operation of a transformer is …..
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Question 8 of 25
8. Question
Sumpner’s test is used to determine …..
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Question 9 of 25
9. Question
Sumpner’s test performs on ……
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Question 10 of 25
10. Question
For Sumpner’s test, the total power is given by …..
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Question 11 of 25
11. Question
Tertiary winding is used ……
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Question 12 of 25
12. Question
Tertiary winding allows …..
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Question 13 of 25
13. Question
….. currents flow through the delta-connected tertiary winding.
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Question 14 of 25
14. Question
The open-circuit test in a transformer is used to measure ……
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Question 15 of 25
15. Question
Overcurrent in the transformer adversely affect …..
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Question 16 of 25
16. Question
In constant voltage transformer (CVT), the output voltage remains constant due to …..
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Question 17 of 25
17. Question
Two transformers operating in parallel will share the load depending upon their …..
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Question 18 of 25
18. Question
The magnetizing current in transformer is rich in …..
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Question 19 of 25
19. Question
Scott connection is used for …..
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Question 20 of 25
20. Question
Which part of transformer is subjected to maximum heating?
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Question 21 of 25
21. Question
A Buchholz relay is used for …..
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Question 22 of 25
22. Question
The chemical used in the breather of the transformer should have the quality of …..
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Question 23 of 25
23. Question
The colour of fresh dielectric oil used in transformer is …..
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Question 24 of 25
24. Question
In the transformer, an insulating may fail due to …..
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Question 25 of 25
25. Question
Why the core of the transformer build-up of lamination?