A common method of cooling a power transformer is

A. natural air cooling

B. air blast cooling

C. oil cooling

D. any of the above

Answer: Option C

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Related Questions on Transformers

Helical coils can be used on

A. low voltage side of high kVA transformers

B. high frequency transformers

C. high voltage side of small capacity transformers

D. high voltage side of high kVA rating transformers