【Daily Question】Catalytic Coking Reformate Blending Version 20180129
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This post was last edited by Green Lotus on 2018-1-29 09:42. Participants: Rewards of 3~5 wealth points； Correct answer: Reward of 10 wealth points ； Note: This post is valid for 48 hours. Multiple-choice question: The density of a liquid mixture ( ). (A) is the arithmetic average of the densities of the various components in the mixture. (B) is greater than the density of the component with the highest density in the mixture. (C) is less than the density of the component with the lowest density in the mixture. (D) is equal to the geometric average of the densities of the various components in the mixture. 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 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
(C) Less than the density of the component with the lowest density in the mixture
Multiple-choice question: The density of a liquid mixture (?A). (A) is the arithmetic average of the densities of the various components in the mixture. (B) is greater than the density of the component with the highest density in the mixture. (C) is less than the density of the component with the lowest density in the mixture. (D) is equal to the geometric average of the densities of the various components in the mixture
(D) equals the geometric mean of the densities of the various components in the mixture