【Daily Question】【AC Version for Static Equipment...Question 52】February 21, 2019 – True/False Question...Everything is going well

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This post was last edited by kareale88 on 2019-2-21 09:47: bg14.jpg【Daily Question】【AC version for static equipment...Question 52】 February 21, 2019 – True or False question...Everything is going well...........................................................................Wishes to all friends in Haichuan: happiness every year, a harmonious family, good fortune, smooth affairs and good health, and success throughout life! ........................................................................... 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. This topic is valid for two days; no score will be given if it exceeds two days by 48 hours. ........................................................................... Final voting stage for the 2018 “Top 10 Outstanding Members of Haichuan” – only available via Haichuan’s official WeChat account! For details, please see the link below: https://bbs.hcbbs.com/thread-2281360-1-1.html. A big thank you to all the supporters from my region—voters: No. 28 (@泡沫_ZPTK), No. 29 (@kareale88), No. 30 (@亚梅), No. 31 (@梦幻100). After voting, you can participate in a lottery for prizes such as laptops, HaiChuan Cup awards, phone credit, and 100 Wealth points... You can vote 10 times per day, and thus enter the lottery 10 times as well... Hurry up and participate! ........................................................................... 1. Among the following welded joints, which one does not require MT or PT inspection? A. Weld joint between the skirt and the tower shell ； B. Weld joint between the lifting lugs and the tower shell ； C. Weld joint between skirt seat and foundation ring plate ； D. Welded joints between other connectors and the tower shell that require local stress verification calculations. ---------------------2. In heat exchanger design, the strength expansion grooves are intended to increase the pulling force between the tube sheet and the heat exchange tubes, while the requirement regarding the roughness of the tube holes is for sealing purposes. （）A、Correct B、Incorrect---------------------3、A pressure-bearing device with a pressure of 1.0 MPa ； Temperature: 70℃ ； Medium: plain water. This device falls under the supervision scope of the Compliance Regulations. ( ) A. Correct B. Incorrect --------------------- Answers: 1. C 2. A 3. B 1. Comments: Source: Section 8.4 of NB/T47041-2014 for tower equipment. 2. Comments: Basic concepts of design calculations. 3. Comments: The basic parameter for determining whether an equipment belongs to a pressure vessel according to the Pressure Vessel Regulations is the operating pressure. See TSG21-2016, Clause 1 General Provisions, 1.3 Scope of Application.