The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following?

The heat dissipating capability of transformers of ratings higher tha

1.	The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following?
A.	Corrugations
B.	Fins
C.	Tubes
D.	All of the above
Answer» E.

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The heat dissipating capability of transformers of ratings higher than 30 kVA in increased by providing which of the following?

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