[Daily question] [Static Equipment Exchange Edition...Question 30] Multiple choice question on January 30, 2019...Thank you for your support

Thread Content

This post was last edited by kareale88 on 2019-2-2 12:38 bg7.png [Daily question] [Static Equipment Exchange Edition...Question 30] Multiple choice question on January 30, 2019...Thank you for your support. Please fill in the answers (multiple 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. This topic is valid for two days and will not be graded for more than two days and 48 hours. .................................................................... The final voting stage of the 2018 "Ocean Double Top Ten Outstanding Members" - participation is limited to the official WeChat account of Ocean S! https://bbs.hcbbs.com/thread-2281360-1-1.html Thank you very much to the sea friends who support me - the lottery will be held after voting on the 29th: Rewards such as notebooks, Haichuan Cup, phone bills, 100 wealth... 10 votes/10 draws/day... Hurry up and participate... 1. The minimum thickness of the cylindrical shell after processing is not less than 3mm for carbon steel and low alloy steel containers, which does not include (). A. Corrosion allowance ； B. Negative deviation of steel thickness ； C. Processing thinning amount ； .................................................................... 2. When calculating the vertical seismic force, the total vertical seismic force should be calculated first, and then distributed to each particle. The distribution principle is (). A. Even distribution B. Triangular distribution C. Inverted triangle distribution D. All distribution to the bottom mass point............................................................. 3. The length of the GB 151 pipe box and outer head cover sub-section does not need to comply with the 300mm minimum splicing barrel section length limit in GB 150. () A. Correct B. Wrong................................................................. Answer 1. CA 2. C 3. A 1. Comment: This topic is the basic pressure vessel design concept, see GB150.1 ( 4.3.6.2 ). 2. Comments: Basic concepts of tower vessel design. 3. Comments: Heat exchanger structural design. This problem is a common problem in design.