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Chemical Engineering - Heat Transfer - Discussion

Discussion Forum : Heat Transfer - Section 9 (Q.No. 32)
Heat Transfer
32.
In a shell and tube heat exchanger, square pitch compared to triangular pitch
gives a higher shell side pressure drop.
gives a lower shell side pressure drop.
can pack more surface area into a shell of given diameter.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
5 comments Page 1 of 1.
Raveendra said:   4 years ago
Lower shell side pressure drop.
Kakkad said:   6 years ago
Square pitch (90/45 degree tube pattern) , is generally used for fouling service and systems in which available pressure drop is low. For example, exchangers in H2S service.
Yadav said:   7 years ago
Yes, B is the correct option.
Raj kumar soni said:   8 years ago
Yes, B is right.
(1)
Kochhar said:   9 years ago
Square pitch means more distance between tubes, and hence less resistance for shell side fluid to pass, and therefore less shell side pressure drop.

Answer : B.
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