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This post was last edited by 955559 on 2017-7-21 22:46. [Daily Question No. 110] April 20, 2017: Oil with a sulfur content (in mass percentage) higher than ( ) is generally referred to as high-sulfur crude oil. A. 2.0% B. 1.5% C. 1.0% D. 0.5% The reference answer will be visible after responding; points can be earned by identifying the key points. (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 given for correct answers accompanied by a detailed explanation; answers that are correct but lack sufficient details earn 15–20 Wealth points. Please use these criteria for scoring. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) 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 Savings” campaign (sponsors sought; highest returns ever offered) 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 version – the event to share pictures of chemical equipment has started! Huge amounts of wealth, as well as HChuan 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: HChuan Chemical Engineering Forum)