【Daily Question】 【AC Version for Static Equipment...Question 23】 January 23, 2019 – True/False Multiple Choice Question...Smooth sailing

Thread Content

This post was last edited by kareale88 on 2019-1-24 at 12:16. bg4.png【Daily Question】【Static Equipment Discussion Forum...Question 23】 January 23, 2019 – True/False and multiple-choice questions...All going well. --------------------- Please enter the answers (multiple choice, single choice, single choice) in order. Reward rules: 1 wealth for participation, 3 wealth for each correct answer, up to a maximum of 10 wealth. This topic is valid for two days; no score will be given if it exceeds two days, i.e., after 48 hours. --------------------- You understand all these requirements; I needn’t go into detail about the many detours involved, hehe—valuable contribution of information. https://bbs.hcbbs.com/thread-2268245-1-1.html --------------------- Voting is underway for the final candidates for HaiChuan’s “Top 10 Outstanding Members” of 2018... https://bbs.hcbbs.com/thread-2273209-1-1.html There are also 19 rewards available; those among my fellow users who recognize my efforts are asked to cast their valuable votes — kareale88 --------------------- 1. GB150 does not apply to the following containers (). A. Vessel with an operating pressure of 0.05 and a design pressure of 0.1 MPa ； B. Liquefied petroleum gas cylinders ； C. Vertical containers ； D. Flame-heated disinfection pot. --------------------- 2. The heat transfer area in shell-and-tube heat exchangers is calculated based on the heat exchange tubes (). A. Inner diameter B. Mean diameter C. Outer diameter --------------------- 3. The greater the gasket coefficient m, the greater the compressive force required for the gasket to function properly; this is not favorable for flange design. Therefore, under high pressure conditions, gaskets with a smaller m value should generally be used. ( ) A. Correct B. Incorrect --------------------- Answers: 1. D B 2. C 3. B 1. Comment: This question tests basic concepts. 2. Comments: Basic concepts of heat exchanger design. See GB151. 3. Comments: This question relates to the fundamentals of pressure vessel design and is an important part of the general provisions in GB150; designers should have a thorough grasp of it. See GB150.