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Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 10 (Q.No. 14)
Heat Transfer
14.
If h1 = inner film co-efficient and /h2 = outer film co-efficient, then the overall heat transfer co-efficient is
always less than h1
always between h1 and h2
always higher than h2
dependent on metal resistance
Answer: Option
Explanation:
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