【Daily Question No. 038】2017.02.07

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This post was last edited by 955559 on 2017-7-31 at 16:25. [Daily Question No. 038] 2017.02.07: Among the following options, which one provides the correct description of gasoline octane rating? 　　A. The higher the octane rating of gasoline, the better its anti-knock properties. B. The lower the octane rating of gasoline, the better its anti-knock properties. C. The anti-knock properties of gasoline are unrelated to its octane rating. D. The higher the octane rating of gasoline, the worse its anti-knock properties. The reference answers can be seen after replying; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Petrochemical Area – “Creative Ideas for Energy Saving” event: http://bbs.hcbbs.com/thread-1666758-1-1.html The New Normal Cup – Voting for the top 10 members of HaiChuan in 2016 is now underway; vote for the member you like the most (please cast your valuable vote for the members in the Petrochemical Area). http://bbs.hcbbs.com/thread-1667649-1-1.html Summary thread of Q&A questions for 2017 (updates available): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread of daily questions for 2017 (updates available): 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 Third-phase selection process for outstanding management members of HaiChuan: http://bbs.hcbbs.com/thread-1655902-1-1.html Petrochemical Area – “Creative Ideas for Energy Saving” event: http://bbs.hcbbs.com/thread-1666758-1-1.html Xiaomi phones are up for grabs. Thread for collecting chemical industry technical materials in the “Petrochemical Section”: http://bbs.hcbbs.com/thread-1654603-1-1.html Many prizes are waiting for you (Source: HaiChuan Chemical Forum)