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Transformers
A common method of colling a power transformer is
Natural air cooling
Oil cooling
Air blast cooling
Any of the listed here
Natural air cooling
Oil cooling
Air blast cooling
Any of the listed here
Answer
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Related Question
Transformers
In which of the following transformer part of primary winding also serves as the secondary winding?
Current transformer
Potential transformer
Auto transformer
Step-up transformer
Current transformer
Potential transformer
Auto transformer
Step-up transformer
Answer
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Transformers
No-load on a transformer is carried out to determine
efficiency of the transformer
magnetising current
magnetising current and loss
copper loss
efficiency of the transformer
magnetising current
magnetising current and loss
copper loss
Answer
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Transformers
What kVA rating is required for a transformer that must handle a maximum load current of 8 A with a secondary voltage of 2 kV?
8 kVA
16 kVA
0.25 kVA
4 kVA
8 kVA
16 kVA
0.25 kVA
4 kVA
Answer
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Transformers
Primary winding of a transformer
is always a low voltage winding
None of these
is always a high voltage winding
could either be a low voltage or high voltage winding
is always a low voltage winding
None of these
is always a high voltage winding
could either be a low voltage or high voltage winding
Answer
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Transformers
Which winding in a transformer has more number of turns?
Low voltage winding
Primary winding
High voltage winding
Secondary winding
Low voltage winding
Primary winding
High voltage winding
Secondary winding
Answer
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