【Daily Question】Catalytic Coking Reformate Blending Version 20170928

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Participation: Prize of 5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Multiple-choice question: What is the phenomenon that occurs during flooding? (　　) A. The liquid level in the downcomer is low. B. The pressure drop across the tower remains unchanged. C. The pressure drop across the tower decreases. D. The pressure drop across the tower increases. Answer: D. Please take part by clicking; our ultimate goal is for everyone to acquire knowledge. http://bbs.hcbbs.com/static/image/hrline/1.gif http://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days. Petroleum Chemical Zone – “Creative Ideas for Energy Saving”: The Second Session is in full swing! http://bbs.hcbbs.com/thread-1666758-1-1.html 2017: “My Technical Upgrades” in the Coal Chemical Industry http://bbs.hcbbs.com/thread-1786290-1-1.html [Daily Question] Catalyst-based coking and reformation – Product blending version, 2017 summary post http://bbs.hcbbs.com/thread-1811219-1-1.html