【Daily Question】【AC Version for Static Equipment...Question 44】February 13, 2019 – True/False Question...Everything is going well

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This post was last edited by kareale88 on 2019-2-13 at 14:55: bg4.png【Daily Question】【Static Equipment Discussion Forum...Question No. 44】 February 13, 2019 – True/False question...Everything is going well...........................................................................Wishes to all friends in Haichuan: happiness every year, a harmonious family, good fortune, smooth progress in all matters, 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 participate soon! ........................................................................... 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. A pressure vessel is composed of four pressure-bearing elements. After calculation, the maximum allowable operating pressures for the four components are respectively Pw1=2.14 MPa, Pw2=2.41 MPa, Pw3=2.25 MPa, and Pw4=2.15 MPa. Please determine the maximum allowable operating pressure Pw for this container (). A. Pw=2.14MPa B. Pw=2.15MPa C. Pw=2.25MPa D. Pw=2.41MPa ---------------------3. At normal stress levels, the minimum operating temperature for Q245R steel plates with a thickness of 12mm or less is -20°C. ( ) A. Correct B. Incorrect --------------------- Answers: 1. B D 2. A (corrected) 3. A 1. Comments: Application of structural design for pressure vessels. 2. Comments: Clarify the concept of the maximum allowable operating pressure. 3.1.6 in GB150.1-2011. 3. Comments: Table 4 of GB150.2.