In case of a multipass shell and tube heat exchanger, the temperature drop in the fluid _______________?
Correct answer: D. And the wall are proportional to individual resistances
- A. Is inversely proportional to the resistance across which the drop occurs
- B. None of these
- C. And the wall is not related
- D. And the wall are proportional to individual resistances
Explanation
For resistances in series, the heat rate is the same through each resistance and the temperature drop is ΔT = qR. Thus the temperature drop across the fluid or wall is proportional to its individual thermal resistance.
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