In a heat exchanger, floating head is provided to____________________?
Correct answer: B. Relieve stresses caused by thermal expansion
- A. Facilitate cleaning of the exchanger
- B. Relieve stresses caused by thermal expansion
- C. Increase the heat transfer area
- D. Increase log mean temperature gradient
Explanation
A floating head allows one tube-sheet assembly to move relative to the shell. This accommodates differential thermal expansion and prevents excessive thermal stresses.
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