【Daily Question No. 030】2017.01.30

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This post was last edited by 955559 on 2017-7-31 at 15:39. [Daily Question No. 030] 2017.01.30: The octane rating of automotive gasoline is determined based on the size of （ ）. Diesel is classified according to the level of ( ). The reference answers will be visible after responding; scoring is awarded by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) )Violence index and freezing point – voting for the 2016 HAICHUAN Top 10 Members has begun; choose the member you care most about (please cast your valuable vote for those in the Petrochemical Division). http://bbs.hcbbs.com/thread-1667649-1-1.html Summary post of Q&A questions for 2017 (updates available now). http://bbs.hcbbs.com/thread-1657793-1-1.html Summary post of daily questions for 2017 (updates available now). http://bbs.hcbbs.com/thread-1657794-1-1.html Summary post of Q&A questions from 2016 (all updates completed). http://bbs.hcbbs.com/thread-1597792-1-1.html Third round of HAICHUAN’s Outstanding Management Member selection. http://bbs.hcbbs.com/thread-1655902-1-1.html “Creative Ideas for Energy Saving” campaign in the Petrochemical Division. http://bbs.hcbbs.com/thread-1666758-1-1.html Xiaomi phones available for grabs. Summary post collecting chemical industry technical materials from the “Petrochemical Section”. http://bbs.hcbbs.com/thread-1654603-1-1.html Many prizes waiting for you (Source: HAICHUAN Chemical Forum)