【Daily Question】Catalytic Coking Reformate Blending Version 20171205

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This post was last edited by Green Lotus on 2017-12-2 at 16:38. Participants: Prize of 5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Single-choice question: Before lighting the permanent flame in the heating furnace, the concentration of combustible gases inside the furnace should be less than ( ) %. A、0.2 B、0.3 C、0.5 D、1 Answer: C. Please participate by using your fingers – our ultimate goal is for everyone to acquire knowledge. 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 Post on Catalytic Coking and Reforming Oil Blending for 2017: https://bbs.hcbbs.com/thread-1826018-1-1.html 【Daily Question】Summary Post on Catalytic Coking and Reforming Oil Blending for 2017: https://bbs.hcbbs.com/thread-1811219-1-1.html