【Daily Question No. 118】April 28, 2017

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This post was last edited by 955559 on 2017-7-21 at 22:43. [Daily Question No. 118] April 28, 2017: Reactors use cold hydrogen to control the bed temperature because ( ). A. It allows for precise temperature regulation and easy operation; B. It helps save energy and reduce consumption; C. The bed is prone to overheating; D. The pressure difference across the bed is reduced. The reference answer can be seen after responding, and points will be awarded if the key points are correctly identified. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Scoring criteria: 2 Wealth points for incorrect answers; *incomplete* answers score 3–8 points. 10 Wealth points are awarded for correct answers, while those that are correct along with a detailed explanation receive 15–20 Wealth points. Please use these criteria for scoring. 2017 Q&A Summary Thread (updates available) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates available) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” campaign (sponsors sought; highest returns ever) http://bbs.hcbbs.com/thread-1666758-1-1.html Sponsors are being sought for this campaign; those interested can contact the campaign coordinator. Petrochemical deep processing edition – the event to share pictures of chemical equipment has started! A vast amount of wealth, as well as HCH coins, are waiting for you to claim them: http://bbs.hcbbs.com/thread-1760733-1-1.html. Notice regarding the collection of chemical engineering technical materials in the “Petroleum and Chemicals Section”: http://bbs.hcbbs.com/thread-1614796-1-1.html (Source: HCH Chemicals Forum)