【Daily Question】2015.06.20 Stress corrosion environment (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 FORREST_GUMP on 2015-6-23 20:13. Wishing all marine friends a happy holiday! ! All those who reply are good comrades! ! 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 to help them experience various amazing functions. Multiple-choice question: Among the following media, ( ) may place a pressure vessel in a stress corrosion environment. A. Wet H2S B. NaOH C. Hydrogen D. Liquid ammonia Note: We will close this thread after 24 hours, and at that time we will announce the best response (the best help), along with the answer 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 and opinions. 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)