Catalytic Coking Reformate Blending Version 20180923

Thread Content

Participation: Prize 1 Wealth； Correct answer: Reward of 3 wealth points ； Note: This post is valid for 48 hours. Single-choice question: In a cascade control system composed of furnace temperature and fuel oil flow rate, which of the following statements is correct? (　　) A. Furnace temperature is the primary variable. B. Fuel oil flow rate is the primary variable. C. Both furnace temperature and fuel oil flow rate are primary variables. D. Both furnace temperature and fuel oil flow rate are secondary variables. Answer: A. 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 published 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