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This post was last edited by kareale88 on 2019-4-16 at 08:55. File: bg4.png 【Daily Question】 【Static Equipment Discussion Forum...Question No. 106】 April 16, 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. When the inlet pipe is connected using flanges inside the skirt, the inner diameter of the reinforcement pipe passage should be () larger than the outer diameter of the flange. A. Less than or equal to ; B, less than ; C、Greater than or equal to ; D. Greater than ; --------------------- 2. When the outer diameter of the insulated (cold) inlet pipe, plus (), exceeds the inner diameter of the reinforcement pipe channel specified in Table 5, the inner diameter of the reinforcement pipe channel should be increased appropriately. A, 15 ; B, 25 ; C, 35 ; D, 45 ; --------------------- 3. When welded pipes are used for the reinforcement tubes of the inlet holes, the wall thickness is generally equal to the thickness of the skirt shell, but shall not exceed ( ) mm. A, 20 ; B, 18 ; C, 16 ; D, 14 ; --------------------- Answer: (Tests the structure of tower-type containers: lead-in holes) 1. D 2. B 3. C See attached diagram:
1. When the inlet pipe is connected by flanges inside the skirt, the inner diameter of the reinforcement pipe passage should be (D) the outer diameter of the flange. A. Less than or equal to ; B, less than ; C、Greater than or equal to ; D. Greater than ; --------------------- 2. When the outer diameter of the insulated (cold) inlet pipe plus (B) mm is greater than the inner diameter of the reinforcement pipe channel specified in Table 5, the inner diameter of the reinforcement pipe channel should be increased appropriately. A, 15 ; B, 25 ; C, 35 ; D, 45 ; --------------------- 3. When welded pipes are used for the reinforcement tubes of the inlet holes, the wall thickness is generally equal to the thickness of the skirt shell, but shall not exceed (C) mm. A, 20 ; B, 18 ; C, 16 ; D, 14 ;