# In the design of a shell and tube heat exchanger, the corrosion allowance _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: In the design of a shell and tube heat exchanger, the corrosion allowance _____ ? Correct Answer: D. All A., B. & C.. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# In the design of a shell and tube heat exchanger, the corrosion allowance _____ ?

Direct Answer & Quick Reference

The correct option is **D. All A., B. & C.**.

A. Need not be provided for non-pressure parts like tie rods, spacers, baffles, supports etc.

B. For carbon steel and cast iron pressure parts is 1.5 mm (except for tubes) and for severe

C. For internal cover and tube sheet is provided on both the sides

D. All A., B. & C. **(Correct Answer)**

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Verified Key: D. All A., B. & C.
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Verified against official examination board answer keys and standard curriculum textbooks.

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