Triangular pitch tube layout as compared to square pitch in a shell and tube heat exchanger________________?
Correct answer: C. Permits the use of more tubes in a given shell diameter
- A. Permits the use of less tubes in a given shell diameter
- B. Facilitates comparatively easier external cleaning because of large clearance
- C. Permits the use of more tubes in a given shell diameter
- D. Both B. and C.
Explanation
Triangular pitch places tubes more closely than square pitch, so more tubes fit within the same shell diameter. Its disadvantage is poorer access for external mechanical cleaning, so option B is not correct.
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