Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 7 (Q.No. 3)
3.
Arithmetic mean area can be used in heat transfer problem to calculate the heat flow by conduction through a cylinder which is
thin walled having the value of Ao Ai/< 2.
thick walled.
having the value of Ao/Ai > 2.
both (b) and (c).
Answer: Option
Explanation:
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