【Daily Question】Catalytic Coking Reformate Blending Version 20171216

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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: Regarding the prevention of freezing in standby pumps, which of the following measures is incorrect? A. Close the inlet and outlet valves of the pump. B. Close the inlet and outlet valves for the pump’s cooling water. C. Slightly open the bypass valve adjacent to the pump’s outlet check valve. D. Rotate the pump shaft regularly. Answer: B. 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 (Phase 2): https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1868167&extra=page%3D1 【Q&A】Summary Post for 2017 on the Catalytic Coking and Reforming Oil Blending Version: https://bbs.hcbbs.com/thread-1826018-1-1.html 【Daily Question】Summary Post for 2017 on the Catalytic Coking and Reforming Oil Blending Version: https://bbs.hcbbs.com/thread-1811219-1-1.html