【Daily Question No. 093】2017.10.08

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【Daily Question No. 093】October 08, 2017: The identification symbols for industrial pipelines consist of the name of the substance, the flow direction, and key process parameters. Regarding the requirements for the name of the substance in such identifiers, which of the following statements is correct? A. Identify the full name of the substance. B. It is not possible to indicate the chemical molecular formula of the substance. C. It is not possible to use an abbreviation for the substance. D. Double arrows cannot be used. The answers to the daily questions change; today’s answers will be shown in subsequent questions. For management purposes, if you need to view content from a few days ago, please go through the summary post below. Summary post of Q&A questions for 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary post of daily questions for 2017 (updates have begun): http://bbs.hcbbs.com/thread-1657794-1-1.html Summary post of Q&A questions for 2016 (updates completed): http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical sector – “Creative Ideas for Energy Saving” campaign (the second phase is in full swing): http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum website)