【Daily Question】Catalytic Coking Reformate Blending Version 20171012

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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: In a plate tower, a certain number of plates are installed inside the tower; gas passes through the liquid layer on these plates either by bubbling or spraying, thereby enabling (　　) to come into close contact for mass transfer to occur. A. Single-phase B. Two-phase C. Three-phase D. Four-phase Answer: B. Please take action and participate; 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 Industry Zone —— “Creative Ideas for Energy Saving” Event (Second phase 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