【Daily Question】2015.07.30 Scope of monitoring (first 100 replies + 2 wealth points; additional 3–8 wealth points for correct answers)

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This post was last edited by zzhaichuan on 2015-7-31 08:06. 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. Question: Among the pressure vessels listed below, which one is not within the scope of regulation by the \"Safety Technical Inspection Regulations for Fixed Pressure Vessels\"? （ _______ ）a. Pressure vessels used for ion exchange or filtration in water treatment equipment. b. Gas or pressure-fed water (foam) pressure tanks in fire protection systems. c. The air tank in the hydraulic automatic air-supplementing pressure-fed water supply system (towerless water supply). d. Auxiliary pressure vessels on the ship. Answer d falls under the category of movable containers; abc are all covered by the special provisions outlined in Regulation 1.4.1 for fixed containers. Please note: we will close this thread after 24 hours, and at that time we will announce the best response (the most helpful answer), along with the correct answer and its explanation. Charisma Reward: Those who post a topic in this section within two days to provide a detailed explanation or discussion on the knowledge points related to this topic are asked to reply/comment in this post to inform us, and we will have a moderator award them 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. After registration, we will rank based on the content of the posts: the last-place contestant will receive +1 charm, the second-to-last +2 charm, and so on, with the highest score getting +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)