【Daily Question】Catalytic Coking Reformate Blending Version 20171215

Thread Content

This post was last edited by Green Lotus on 2017-12-15 at 15:37. Participants: Reward of 5 Wealth； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Single-choice question: The purpose of the three-stage filtration of lubricating oil is ( ). A. To prevent impurities from entering the lubricant during transportation. B. To prevent impurities from entering the lubricant during handling. C. To prevent impurities from entering the lubricant during filling. D. To prevent impurities from entering the lubricant during use. Answer: C. 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 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