【Daily Question】November 19, 2015: Material selection for pressure vessels (first 50 participants + 2 rewards)

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This post was last edited by gn_1984 on 2015-11-23 at 11:01. To increase the popularity of the heat exchange section, a \"Question of the Day\" activity has been introduced there; this helps to foster an active atmosphere for technical exchanges while also providing members with certain financial rewards. 【Daily Question】Under normal temperature and pressure, for containers used to hold gaseous chlorine and liquid chlorine, which of the following materials can be considered for use? ( ) ； Which material should be considered for wet chlorine gas and chlorine water ()? A. Carbon steel B. Austenitic stainless steel C. Duplex steel D. Titanium steel Correct answers: (A, B) and (D). Post your answer as a reply; participating in the quiz earns you +2 wealth points (automatic addition of wealth points is applied – no additional points or comments will be given if your answer is incorrect). If you answer all questions correctly, you’ll receive an additional +3 to +8 wealth points. Extra rewards will also be given if you provide a thorough analysis and explanation for the questions or answers, or if your explanations are based on standard criteria. If your answer is correct and your analysis is accurate, it will be marked as the best reply (or the best assistance). Feel free to answer the questions. Note: We will close this post after 24 hours to reveal the answers and explanations, as well as the best response (the best help provided). Attraction Reward: If you post a topic in this section within two days to provide a detailed explanation of the knowledge points covered in this question, please reply to this post to inform us, and we will ask a moderator to grant +Attraction. It is not allowed to simply copy and paste; original content is preferred, with at least some organization by the user along with personal insights. After registration, we will rank participants based on the content of their posts: the last-place contestant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score earning +5 charm. Other content: AC version of heat exchange equipment – “One question per day” competition post (prizes available for participation; valid indefinitely). http://bbs.hcbbs.com/thread-1320941-1-1.html “[Study and discussion on GB/T151-2014 heat exchangers] Section 2 – Terms and definitions, general requirements”. http://bbs.hcbbs.com/thread-1399249-1-1.html [Mechanical Section] – Recruitment for moderators and technicians; applications and referrals are welcome. [Valid indefinitely] – Come if you’re interested! 】http://bbs.hcbbs.com/thread-1288857-1-1.ht Starting today, the Machinery Section is offering wealth to all members of the community; go and claim your share of it now – the distribution of wealth has begun. http://bbs.hcbbs.com/thread-1489563-1-1.html Chemical Equipment and Machinery