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Participation: Prize 1 Wealth； Correct answer: Reward of 3 wealth points ； Note: This post is valid for 48 hours. True or False: The structural feature of a U-tube heat exchanger is that the tubes are bent into a U shape, with both ends of the tubes fixed to the same tube sheet. The U-tube heat exchanger has two tube sheets and is of the floating-head type; therefore, it has a simple structure, its manufacturing cost is lower than that of other heat exchangers, and it is easy to clean both the inside and outside of the tubes. ( ) Answer: Incorrect. The structural feature of a U-tube heat exchanger is that the tubes are bent into a U shape, with both ends of the tubes fixed to the same tube sheet. U-tube heat exchangers have one tube sheet, so they have a simple structure and are cheaper to manufacture than other heat exchangers, but the U-tube section is difficult to clean. Your participation is the greatest support for our work. Giving roses to others leaves a pleasant fragrance in one’s own hands. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days. ““My Device, My Home” – Large-scale Original Photo Sharing Event (Part 2): https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 Petrochemical Deep Processing Section [Daily Question] Summary Thread: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1496481