【Daily Question】 【AC Version for Static Equipment...Question 42】 February 11, 2019 – True/False Question...A Happy Family

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bg14.jpg【Daily Question】【AC version for static equipment...Question 42】February 11, 2019 – True or False question...Harmony in the family...........................................................................Wishes to all my friends: happiness every year, harmony in the family, good fortune, smooth affairs and good health, and success 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 forum users for their support – vote for number 29. After voting, there will be drawings for prizes such as laptops, Haichuan cups, phone top-ups, and 100 wealth points... 10 votes = 10 drawing opportunities per day... Please join us quickly! ........................................................................... 1. Which of the following containers’ A and B class welded joints require 100% radiographic or ultrasonic testing? ( ) A. Container made of Q245R with a thickness of 36 mm ； B. Container made of Q345R with a thickness of 32 mm ； C. Container made of S30408, 22 mm thick ； --------------------- 2. The basic wind pressure values shall be selected in accordance with the \"Code for Loads on Building Structures\", but they shall not be less than (). A. 250 N/m2 B. 300 N/m2 C. 350 N/m2 D. 400 N/m2 --------------------- 3. For a jacketed vessel, the operating conditions inside the inner vessel are a vacuum, while the jacket contains heating steam at 0.25 MPa. The design pressure for the inner vessel is set at –0.4 MPa (external pressure), and the design pressure for the jacket is 0.3 MPa. ( ) A. Correct B. Incorrect --------------------- Answers: 1. A B 2. B 3. B 1. Comments: This question examines the requirements for non-destructive testing; refer to the non-destructive testing section of GB150.1. Option C requires surface penetrant testing (as specified in the codes for pressure vessels). 2. Comments: New provisions in the Code for Loads on Building Structures regarding the selection of design loads for tower-type containers. GB 50009—2001 7.1.2. 3. Comments: Basic concepts behind the determination of GB150 parameters. Design pressure and calculated pressure are different concepts. ---------------------