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This post was last edited by kareale88 on 2019-3-22 08:44: bg4.png【Daily Question】【AC version for static equipment...Question No. 81】 March 22, 2019. Modified multiple-choice question...Good luck...........................................................................The question is taken from the standard NB/T 47041-2014 «Tower-type vessels». 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 minimum thickness of the tower shell after processing, excluding the corrosion allowance: for carbon steel and low-alloy steel tower vessels, it is 2Di/1000, and shall not be less than () mm. A, 2 ; B, 3 ; C, 4 ; D, 5 ; ---------------------2. The minimum thickness of the tower shell after processing, excluding the corrosion allowance: for tower-type vessels made of high-alloy steel, it should generally be not less than ( ) mm. A, 2 ; B, 3 ; C, 4 ; D, 5 ; ---------------------3. The minimum forming thickness is the minimum thickness required after forming the compressed component to meet the design specifications. A. Correct ; B. Incorrect ; ---------------------Answers: 1. B 2. A 3. A
1. The minimum thickness of the tower shell after processing, excluding the corrosion allowance: for carbon steel and low-alloy steel tower vessels, it is 2Di/1000, and shall not be less than (B) mm. A, 2 ; B, 3 ; C, 4 ; D, 5 ; --------------------- 2. The minimum thickness of the tower shell after processing, excluding the corrosion allowance: for tower-type vessels made of high-alloy steel, it should generally be not less than (A) mm. A, 2 ; B, 3 ; C, 4 ; D, 5 ; --------------------- 3. The minimum forming thickness is the minimum thickness required after forming the compressed component to meet the design specifications. (A) A, correct ; B. Incorrect ;
1 B, 3; 2 A, 2 ; 3 A, Correct ;