【Daily Question】 【AC Version for Static Equipment...Question 43】 February 12, 2019 – True/False Multiple Choice Question...A Happy Family

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This post was last edited by kareale88 on 2019-2-15 at 12:29. File: bg4.png 【Daily Question】 【Static Equipment Discussion Forum...Question No. 43】 February 12, 2019 – True/False question...A happy family and harmonious life...........................................................................Wishes for all friends in Haichuan: happiness every year, a happy family, good fortune, smooth affairs, and health throughout life! ........................................................................... Please fill in the answers (multiple choice, single choice, single choice) in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. This topic is valid for two days; no score will be given if it exceeds two days by 48 hours. ........................................................................... Final voting stage for the 2018 “Top 10 Outstanding Members of Haichuan” – only available via Haichuan’s official WeChat account! For more details, please visit the link below: https://bbs.hcbbs.com/thread-2281360-1-1.html. I am extremely grateful to my fellow users who support me – vote for number 29. After voting, there will be drawings for prizes such as laptops, Haichuan cups, phone credit, and 100 wealth points... 10 votes = 10 drawing opportunities per day... Please join us quickly! ........................................................................... 1. Which of the following shell structures are not suitable for use in hot-wall hydrogenation reactors? () A. Single-layer roll welding ； B. Heat set ； C. Forge Welding ； D. Multi-layer wrapping ； ---------------------2. The impact of weld excess height on the safe operation of containers mainly lies in which of the following aspects (). A. Fatigue life B. Stress corrosion C. Strength reduction Topics for discussion: [Discussion Thread 12] In what aspect does the weld bead height primarily affect the operational safety of containers? https://bbs.hcbbs.com/thread-2292496-1-1.html---------------------3. Under normal stress levels, the minimum operating temperature for Q245R steel plates with a thickness of 12 mm or less is -20°C. （）A. Correct B. Incorrect --------------------- Answers: 1. B, D; 2. B (A is also considered correct for now) – based on the discussion, A is more appropriate; 3. A. 1. Comments: Application of pressure vessel structural design. 2. Comments: Understanding the basic principles is essential for carrying out a reasonable structural design in the design process. 3. Comments: Table 4 of GB150.2.