【Daily Question No. 083】2017.09.28

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【Daily Question No. 083】September 28, 2017: During the normal operation of the instrument, what is the status of the two valves in Instrument Group 2? ( ) A. Pressure tap valve open, discharge valve closed B. Pressure tap valve closed, discharge valve open C. Pressure tap valve open, discharge valve open D. Pressure tap valve closed, discharge valve closed. Reply* to see the reference answer; scoring is possible by identifying the key points. The answer to the daily activity question has changed; today’s answer 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. 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 Zone – “Creative Ideas for Energy Savings” campaign (the second phase is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum)