【Daily Question No. 062】2017.03.03

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The last edit to this post was made by 955559 on 2017-7-31 at 16:44. [Daily Question No. 062] 2017.03.03: The purpose of installing fins on the tubes of air coolers is to increase the （） of the outer surface of the tubes, thereby improving heat transfer efficiency. A. Heat transfer area B. Temperature C. Heat dissipation D. Thickness. The reference answers will be visible after clicking again; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) A summary thread of Q&A questions from 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread of daily questions from 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657794-1-1.html Summary thread of Q&A questions from 2016 (updates completed): http://bbs.hcbbs.com/thread-1597792-1-1.html The third round of the HaiChuan Outstanding Management Members selection contest: http://bbs.hcbbs.com/thread-1655902-1-1.html (Source: HaiChuan Chemical Forum)