【Daily Question】 【AC Version for Static Equipment...Question 107】 April 17, 2019 – Revised multiple-choice questions...Everything is going well

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bg4.png【Daily Question】【AC Version for Static Equipment...Question No. 107】 April 17, 2019. Revised multiple-choice question... Everything is going well. ........................................................................... The question is taken from the standard NB/T 47041-2014 «Tower Containers». Please point out any inaccuracies in the revisions; if you have any good suggestions, feel free to leave a reply – 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. When there is no internal flange connection and no insulation (cooling) is provided, and the diameter of the outlet pipes is 32 or 40 mm, the required seamless steel pipe for reinforcing the outlet holes is (). A、φ133X4 ； B、φ159X4.5 ； C, φ219X6 ； D, φ273X8 ； --------------------- 2. When there is no internal flange connection and no insulation (cooling) is provided, and the diameter of the outlet pipes is 80 or 100 mm, the required seamless steel pipe for reinforcing the outlet holes is (). A、φ159X4.5 ； B, φ219X6 ； C, φ273X8 ； D, φ325X8 ； --------------------- 3. When there is no internal flange connection and no insulation (cooling) is provided, and the diameter of the outlet pipe is 200 mm or greater, the inner diameter of the reinforcement pipe for the outlet hole required must be at least (). A, 300 ； B, 350 ； C, 400 ； --------------------- Answer: (Assessing the structure of tower-type containers: Table 5 provides the dimensions of the reinforcement pipes for the openings) 1. B 2. C 3. B