【Daily Question No. 049】2017.08.25

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【Daily Question No. 049】August 25, 2017: What is the purpose of purging the liquid feeding gun during gas injection? A. To remove water vapor B. To remove ice particles C. To remove impurities D. To make gas injection easier. The reference answer can be seen after clicking \"Reply\"; points will be awarded if the key points are answered correctly. Summary thread of Q&A from 2017 in ABc (updates starting now): http://bbs.hcbbs.com/thread-1657793-1-1.html Summary thread of daily questions from 2017 (updates starting now): http://bbs.hcbbs.com/thread-1657794-1-1.html Summary thread of Q&A from 2016 (already updated): 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 “My Technical Upgrades” in the field of coal chemistry for 2017: http://bbs.hcbbs.com/thread-1786290-1-1.html