Catalytic Coking Reformate Blending Version 20191121
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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 True or False: The function of the check valve at the outlet of the main fan is to prevent oil and gas in the lift pipe from flowing back into the main fan, thereby avoiding explosions. Answer: Incorrect. 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.
Error; its purpose is to prevent the catalyst from flowing back to the main fan