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This post was last edited by kareale88 on 2019-4-11 at 10:45. File: bg4.png 【Daily Question】 【AC version for static equipment...Question No. 98】 April 8, 2019. Modified multiple-choice questions...Everything is going well. ..............................................................The question is taken from the standard NB/T 47041-2014 «Tower Containers». Please point out any inaccuracies in the modifications; if you have any good suggestions, feel free to reply with them – rewards will be given generously. ........................................................................... Answers (multiple choice, multiple choice, multiple choice) please fill in in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. ...........................................................................1. The skirt shell is available in two types: cylindrical and conical. The semi-cone apex angle 0 of the conical skirt shell should not exceed (), and the nominal thickness of the skirt shell should not be less than () mm. (The answer is:) A, 20°, 6 ; B, 20°, 8 ; C, 15°, 8 ; D, 15°, 6 ; ---------------------2. The structural types and requirements for components such as the tower shell and nozzles shall comply with the relevant provisions of GB150.3; the connection between the skirt shell and the tower shell is generally achieved by butt welding or lap welding. ()A、Correct ; B. Incorrect ; ---------------------3. When the lower head of the tower shell and the skirt shell are made of different metal materials, a transition section should be provided in the skirt shell; the placement of this transition section is to be agreed upon by the manufacturer and the customer. ()A、Correct ; B. Incorrect ; ---------------------Answer: (Assessing the structure of tower-type containers) 1. D 2. A 3. B (When the material used for the lower head of the tower shell differs from that used for the skirt shell, a transition section should be provided in the skirt shell; the placement of this transition section is determined by the designer.)