【Daily Question No. 034】2017.08.10
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【Daily Question No. 034】August 10, 2017: What could be the cause of the jamming of the swivel joint in the loading arm of a tank truck when it is at room temperature? A. Ball wear B. Guide groove wear C. Joint seal wear D. Excessively high nitrogen pressure. The reference answers will be visible after recovery; scoring is possible by identifying the key points. The daily activity shuts down after 7 days, with answers displayed automatically. (2017-8-16) C 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 Saving” campaign (the second phase is in full swing) http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum Website)
This may be the cause of the sticking of the swivel joint in the tank truck loading arm at low temperatures. (C) A. Ball wear B. Guide groove wear C. Joint seal wear D. Excessively high nitrogen pressure