【Daily Question】Catalytic Coking Reformate Blending Version 20171011

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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: Using the sealed medium itself to flush the mechanical seal is called (　　). A. Self-flushing B. External flushing C. Circulating flushing D. Other flushing Methods. Answer: A. Please use your fingers to 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 Savings” 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] Catalytic coking and reforming – product blending version, 2017 summary post http://bbs.hcbbs.com/thread-1811219-1-1.html