Transformers 2 Electrical Engineering MCQ Practice Quiz 9

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Transformers 2 Electrical Engineering Practice Quiz 9

1 / 25

Power transformers are generally designed to have maximum efficiency around_____?

2 / 25

Which winding of the transformer has less cross-sectional area_____?

3 / 25

Silicon steel used in lamination's mainly reduces_____?

4 / 25

The value of flux involved m the e .m .f. equation of a transformer is_____?

5 / 25

The main reason for generation of harmonics in a transformer could be_____?

6 / 25

A transformer oil must be free from______?

7 / 25

The core used in high frequency transformer is usually_____?

8 / 25

In a transformer the resistance between its primary and secondary is_____?

9 / 25

Material used for construction of transformer core is usually_____?

10 / 25

The transformer ratings are usually expressed in terms of____?

11 / 25

The chemical used in breather____?

12 / 25

In a transformer the resistance between its primary and secondary is_____?

13 / 25

Material used for construction of transformer core is usually____?

14 / 25

The transformer ratings are usually expressed in terms of_____?

15 / 25

The chemical used in breather is_____?

16 / 25

In a transformer the tapping are generally provided on____?

 

17 / 25

The maximum efficiency of a distribution transformer is____?

18 / 25

Power transformers are designed to have maximum efficiency at____?

19 / 25

Natural oil cooling is used for transformers up to a rating of____?

20 / 25

A common method of cooling a power transformer is______?

21 / 25

Which winding in a transformer has more number of turns_____?

22 / 25

A transformer transforms_____?

23 / 25

Which of the following is not a part of transformer installation______?

24 / 25

The dielectric strength of transformer oil is expected to be______?

25 / 25

The path of a magnetic flux in a transformer should have_____?

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