[Daily question] [Static Equipment Exchange Edition...Question 114] Adapted multiple choice question on April 24, 2019...all the best

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bg4.png [Daily question] [Static Equipment Exchange Edition...Question 114] Adapted multiple-choice question on April 24, 2019...All the best......................................................................The question comes from the book: I hope everyone will point out the lax adaptation of NB/T 47041-2014 "Tower Container". If you have good suggestions, you can also reply with comments and no hesitation will be rewarded. .................................................................................... Please fill in the answers (single choice, single choice, single choice) in order. Bonus rules: Participation will reward 1 wealth, and correct answers will reward 3 wealth for each item, with a maximum of 10 wealth. .................................................................................1. Allowable deviation of the distance from the bottom surface of the tower vessel foundation ring to the weld connecting the tower kettle head and tower shell: Each length of 1000mm is () mm, and shall not exceed () mm. The answer is: ()A,±2,±5 ； B, ±2, ±6 ； C, ±2.5, ±5 ； D, ±2.5, ±6 ； ---------------------2. Permissible deviation of the verticality or parallelism of the flange surface connecting the tower vessel to the external pipeline: When DN≤200, the allowable deviation is ()mm ； When DN>200, the allowable deviation is ()mm. The answer is: ()A, ±1.5, ±2 ； B, ±1.5, ±2.5 ； C, ±2, ±2 ； D, ±2, ±2.5 ； ---------------------3. The allowable deviation of the distance from the center line of the tower container nozzle to the tower surface is () mm and the manhole is () mm. A, ±3, ±6 ； B, ±3, ±5 ； C, ±2, ±6 ； D, ±2, ±5 ； ---------------------Answer: (Investigating the manufacturing, inspection and acceptance of tower containers) 1. D 2. B 3. A