The expression (A2-A1)/loge (A2/A1) for a hollow cylinder is known as – McqOptions

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1.	The expression (A2-A1)/loge (A2/A1) for a hollow cylinder is known as
A.	Logarithmic mean radius
B.	Mean area of heat transfer
C.	The rate of heat transfer
D.	None of the above
E.	Nichrome
Answer» C.

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