【Daily Question】 【AC Version for Static Equipment...Question 60】 March 1, 2019 – Multiple-choice question on hole identification...Everything is going well

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This post was last edited by kareale88 on 2019-3-1 14:07: bg4.png【Daily Question】【Static Equipment Discussion Forum...Question 60】 March 1, 2019 – Multiple-choice question about identifying holes...Everything is going well........................................................................... Rules for answering: Select one option per blank and fill in the answers in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. Test results: To assess everyone’s understanding and accuracy in mastering the knowledge points. ........................................................................... Thank you all for voting — the final voting stage for the 2018 “Top 10 Outstanding Members of HaiChuan” is now complete! Wishing all my friends by the seas and rivers: happiness every year, a harmonious family life, good fortune and success, smooth circumstances and good health, and prosperity throughout their lives! ........................................................................... 1. The outer guide cylinder of a vertical shell-and-tube heat exchanger should have an opening (1) at the lower end of the inner cylinder. II. Two (2) should be installed at the center of the bottom plate of the spherical tank support, and the anchor bolt holes should be numbered (3). A. Radial oblong hole ； B、Oval hole ； C、Lacrimal pore ； D、Through-hole ； E. Manhole ； --------------------- Answers: 1. C 2. D 3. A. I. Comments: Tests the basic concepts of GB151 engineering. II. Comments: Refer to GB12337-5.4.5 and 5.4.6 regarding the basic requirements for tank structures. Many people make the mistake of not specifying the \"radial\" direction; it is only with radial oblong holes that the purpose of using such holes is truly realized, allowing the supports to slide radially and thereby reducing stress concentration. Fun answer: “A manhole should be installed at the center of the floor of the spherical tank support,” and the experts carefully considered how to climb in through that manhole.