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Catalytic Coking Reformate Blending Version 20190702

2019-07-02View Original

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Participation: Prize 1 Wealth; Correct answer: 3 Wealth as a reward. https://bbs.hcbbs.com/static/image/hrline/2.gif https://bbs.hcbbs.com/static/image/hrline/3.gif Multiple-choice question: What is the purpose of washing the heavy oil distillation system during shutdown? ( ) A. Clean the oil remaining in the equipment and pumps. B. Prevent the oil from expanding rapidly due to heat during cleaning. C. Use water to displace the oil. D. Check whether there are any leaks in the various devices of the heavy oil system. Answer: A https://bbs.hcbbs.com/static/image/hrline/1.gif https://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answer will be announced automatically after two days.

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