【Daily Question】Catalytic Coking Reformate Blending Version (Multiple Choice) 20171108

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Participation: Prize of 5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Single-choice question: Regarding the importance of gas-tightness testing for reactors, which of the following statements is incorrect? (　　) A. Because leaks may occur after the reactors and other components’ covers as well as various flanges are reinstalled during major repairs. B. Leaks can be detected promptly through airtightness checks, thereby eliminating potential hazards. C. To ensure the long-term operation of the facility. D. To prevent high pressure from leaking into low pressure areas. Answer: D. Please take a moment to participate; our ultimate goal is for everyone to acquire knowledge. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be published automatically after two days. 【Q&A】Summary post for 2017 on the catalytic coking reformed oil blending version: https://bbs.hcbbs.com/thread-1826018-1-1.html 【Daily Question】Summary post for 2017 on the catalytic coking reformed oil blending version: https://bbs.hcbbs.com/thread-1811219-1-1.html