【Daily Question No. 047】2017.08.23
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【Daily Question No. 047】August 23, 2017: Which of the following situations can cause air loss? ( ) (Multiple choice) A. Replacement of unloading pipes B. Equipment maintenance C. Other emissions during the insertion or removal of connectors D. Opening of pneumatic valves. All electrical equipment must meet the explosion-proof requirements for hazardous areas. The reference answers will be shown after responding; scoring is possible by identifying the key points. ABC 2017 Q&A Summary Thread (updates now available) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Questions Summary Thread (updates now available) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (already updated) http://bbs.hcbbs.com/thread-1597792-1-1.html Petrochemical Sector – “Creative Ideas for Energy Saving” Campaign (Phase 2 is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017 Coal Chemicals – “My Technical Upgrades” http://bbs.hcbbs.com/thread-1786290-1-1.html
Which of the following situations can cause air loss (ABC)? A. Replacement of unloading pipes B. Equipment maintenance C. Other emissions during plug-and-play operations D. Opening of pneumatic valves