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Transformers

Transformers
Natural oil cooling is used for transformers up to a rating of

3000 kVA
500 kVA
250 kVA
1000 kVA

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Transformers
A transformer with a 110 V primary has a 15:1 turns ratio. The load resistance, RL, is 120 . What is the approximate voltage across the load?

88 V
73 V
880 V
7.3 V

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Transformers
A transformer will work on

Dc only
Ac only
None of the listed here
AC as well as DC

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Transformers
Which winding of the transformer has less cross-sectional area?

High voltage winding
Secondary winding
Low voltage winding
Primary winding

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Transformers
The no load ratio of a 50 Hz single phase transformer is 6000/250 V. The maximum flux in the core is 0.06 Wb. What is the number of primary turns?

350
450
210
900

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Transformers
Natural oil cooling is used for transformers upto a rating of

1000 kVA
250 kVA
3000 kVA
500 kVA

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Transformers

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