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Participation: Prize 1 Wealth; Correct answer: Reward of 3 wealth points ; Note: This post is valid for 48 hours. https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif 【Daily Question】Multiple-choice question: The backmixing of the liquid on the tray is caused by the disturbance from the airflow, which results in a portion of the liquid flowing from the inlet to the outlet end of the tray experiencing ( ) phenomenon, thereby affecting the mass transfer efficiency. A. Laminar flow B. Turbulent flow C. Transitional flow D. Backflow Answer: D Make a little progress every day. Your participation is the greatest support for our work. Giving roses to others leaves a pleasant fragrance in one’s own hands. https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days. “My Device, My Home – Large-scale Original Photo Sharing Event (Part 2): https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 【Q&A】Summary of Catalytic Coking and Reforming Oil Blending Data for 2017–2018~~Continuously being updated: https://bbs.hcbbs.com/thread-1826018-1-1.html 【Daily Question】Summary of Catalytic Coking and Reforming Oil Blending Data for 2017–2018~~Continuously being updated: https://bbs.hcbbs.com/thread-1811219-1-1.html
Liquid backmixing occurs due to the agitation caused by the airflow, which results in a portion of the liquid flow on the plate moving from the inlet side to the outlet side, thereby affecting the mass transfer efficiency. D. Backflow