What is the geometric mean of two heat transfer areas A 1 and A 2 ?

1.	What is the geometric mean of two heat transfer areas A 1 and A 2 ?
A.	A 1 . A 2
B.	A 1 + A 2
C.	A 1 . A 2
D.	2 A 1 . A 2
Answer» E.

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What is the geometric mean of two heat transfer areas A 1 and A 2 ?
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What is the geometric mean of two heat transfer areas A 1 and A 2 ?

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