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Electrical Transformer Quiz #4.
25 Questions (Selected Randomly)
25 Marks (1 Mark/Question)
25 Minutes of Time
All The Best!
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admin DipsLab.com
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- Answered
- Review
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Question 1 of 25
1. Question
The size of a transformer core will depend on……
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Question 2 of 25
2. Question
Under load conditions, the efficiency of two identical transformers can be determined by …..
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Question 3 of 25
3. Question
The transformer’s voltage transformation ratio is equal to …..
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Question 4 of 25
4. Question
For the transformer, natural oil cooling is used up to a rating of …..
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Question 5 of 25
5. Question
In the transformer design, the use of higher flux density …..
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Question 6 of 25
6. Question
When ….. Delta/Star transformer properly works.
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Question 7 of 25
7. Question
In a transformer, noise level test is …..
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Question 8 of 25
8. Question
The total cross-sectional area of the earthing conductor depends on …..
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Question 9 of 25
9. Question
When does maximum power transfer happen from the source to the load?
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Question 10 of 25
10. Question
An Isolation transformer has primary to the secondary turns ratio of ……
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Question 11 of 25
11. Question
An Auto-transformer uses as a …..
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Question 12 of 25
12. Question
In the transformer, friction losses occur in the range of …..
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Question 13 of 25
13. Question
If increasing the number of turns on the secondary of the transformer, ……
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Question 14 of 25
14. Question
In the transformer, laminated insulations coated with varnish are used for …..
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Question 15 of 25
15. Question
The transformer turns ratio determines …..
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Question 16 of 25
16. Question
….. three-phase connection of a transformer causes interference with the neighboring communication lines.
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Question 17 of 25
17. Question
Which is used as a special transformer to convert unbalanced to balanced signal?
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Question 18 of 25
18. Question
The primary flux is always ….. the secondary flux in transformer.
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Question 19 of 25
19. Question
Transformer rating always expresses in …..
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Question 20 of 25
20. Question
The power transformer of the primary winding should always be …..
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Question 21 of 25
21. Question
A power transformer is constant …..
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Question 22 of 25
22. Question
The transformer winding is divided into different coils because, …..
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Question 23 of 25
23. Question
If the load on the secondary side of a transformer increases, the current on the primary side …..
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Question 24 of 25
24. Question
In the transformer, the thickness of lamination required decreases when …..
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Question 25 of 25
25. Question
In the EMF equation of the transformer, the value of flux is …..