【Daily Question】2015.07.02 LPG storage tanks (2 wealth points for a reply; +3–8 additional wealth points if the answer is correct)
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The Machinery Section has introduced the \"One Question per Day\" feature, which not only fosters an active atmosphere for technical exchanges and guides the direction of such exchanges but also provides users with financial rewards, helping them experience various amazing functions. Multiple-choice question: The main reason for post-weld heat treatment of LPG storage tanks is (). A. Prevent elastic failure B. Prevent fatigue failure C. Prevent stress corrosion D. Prevent low-temperature brittleness. Note: We will close this thread after 24 hours, and at that time we will announce the best response (the best 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 or leave a comment 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. After registration, we will rank participants based on the content of their posts: the last-place participant 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)
Main reason for post-weld heat treatment of LPG storage tanks (c). A. Prevent elastic failure B. Prevent fatigue failure C. Prevent stress corrosion D. Prevent low-temperature brittleness
Main reason for post-weld heat treatment of LPG storage tanks (c). A. Prevent elastic failure B. Prevent fatigue failure C. Prevent stress corrosion D. Prevent low-temperature brittleness. Post-weld heat treatment is used to eliminate welding thermal stresses and prevent stress corrosion
The main reason for post-weld heat treatment of LPG storage tanks is； C. Preventing stress corrosion
Main reasons for post-weld heat treatment of LPG storage tanks (C). A. Prevent elastic failure B. Prevent fatigue failure C. Prevent stress corrosion D. Prevent low-temperature brittleness
The main reasons for post-weld heat treatment of LPG storage tanks are (C) to prevent stress corrosion and (D) to prevent low-temperature brittleness. A. Prevent elastic failure B. Prevent fatigue failure C. Prevent stress corrosion D. Prevent low-temperature brittleness
Choose C! ! ! ! 111111
C. Preventing stress corrosion: Generally, LPG storage tanks require post-weld stress-relief heat treatment, as there is a risk of hydrogen sulfide-induced stress corrosion.