【Daily Question No. 134】May 14, 2017

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This post was last edited by liuquan1100 on 2017-5-13 20:55. [Daily Question No. 134] May 14, 2017: ( ) is a key parameter for adjusting the dry point of the naphtha at the top of the tower and the flash point of the refined diesel at the bottom of the tower. A. Bottom temperature of the tower B. Top temperature of the tower C. Liquid level at the bottom of the tower. The reference answers can be seen after responding; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) B. Scoring criteria: 2 Wealth points for incorrect responses; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers accompanied by detailed explanations; responses that are correct but lack sufficient details earn 15–20 Wealth points. Please score according to these criteria. Note: If there are edit records after answering, only points will be given to those who participated. Summary thread for Q&A in 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread for daily questions in 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657794-1-1.html Summary thread for Q&A in 2016 (already updated): http://bbs.hcbbs.com/thread-1597792-1-1.html