【Daily Question】2015.06.17 Container Classification (2 Wealth points for a reply; +3–8 additional Wealth points for a correct answer)

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This post was last edited by zzhaichuan on 2015-7-1 at 10:11. The Mechanical Section has introduced the \"Question of the Day\" feature, which not only helps to foster an active atmosphere for technical discussions and guide the direction of such exchanges but also provides users with financial rewards, enabling them to experience various cool features. Within the scope of application of the relevant regulations, an aluminum plate-fin heat exchanger with a volume of 40 L, a design pressure of 4.5 MPa, and using natural gas as the working medium, is classified as a ( ) category of vessel. A Ⅰ B Ⅱ C Ⅲ Answer: A. Refer to clause 1.3.5 of the regulations. Best answer: Please note that we will close this thread after 24 hours, at which time we will announce the best response (the most helpful answer), along with the solution and explanation. Charisma Reward: If you post a topic in this section within two days to provide a detailed explanation or discussion of the knowledge points related to this question, please reply/comments in this post to let us know, and we will have a moderator award you charisma points. 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 and opinions. 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. http://bbs.hcbbs.com/thread-1381938-1-1.html Earning wealth by inviting friends http://bbs.hcbbs.com/thread-1389240-1-1.html [Mechanical Section] Collection of essential knowledge 【Seeking manufacturer sponsorship】 (long-term campaign)