【Daily Question】 【AC Version for Static Equipment...Question 50】 February 19, 2019 – True/False Question...Happy Lantern Festival

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This post was last edited by kareale88 on 2019-2-19 at 10:34: bg4.png【Daily Question】【Static Equipment Discussion Forum...Question 50】 February 19, 2019 – True or False question...Everything is going well........................................................................... Wishes to all friends of 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 participants via Haichuan’s official WeChat account are eligible! For more details, please see the link below: https://bbs.hcbbs.com/thread-2281360-1-1.html. A big thank you to all the friends from my region who’ve supported me! Voters: No. 28 (@泡沫_ZPTK), No. 29 (@kareale88), No. 30 (@亚梅), No. 31 (@梦幻100). After voting, you can enter a draw for prizes such as laptops, HaiChuan Cup awards, phone credit, and 100 Wealth points... You can vote and participate in the draw up to 10 times per day. Hurry up and join in! ........................................................................... 1. According to NB/T47014-2011, when conducting impact toughness tests on welded joints, impact test specimens should be prepared in (). A. Weld zone, fusion zone, heat-affected zone ； B. Weld zone, heat-affected zone, base metal ； C. Weld zone, heat-affected zone ； D. Weld zone, coarse-grain zone, heat-affected zone ； --------------------- 2. In the strength calculation of horizontal vessels, when the combination of seismic forces and other loads is taken into account, the allowable stress in the shell wall shall not exceed () times the allowable stress. NB/T47042-2014 A. 1.0 B. 1.1 C. 1.2 D.1.5 --------------------- 3. The performance tests for bellows include stiffness tests, stability tests, and fatigue tests. ( ) A. Correct B. Incorrect --------------------- Answers: 1. C 2. C 3. A 1. Comments: See NB/T47014-2011: 6.4.1.3 Qualification criteria c). 2. Comments: The standard specifies different stress control values for long-term and short-term loads, as stated in 4.4.4 of NB/T47042-2014. 3. Comments: Assess the understanding of basic knowledge regarding bellows.