【Daily Question No. 078】March 19, 2018

Thread Content

【Daily Question No. 078】On March 19, 2018, before purging, the control valves, nozzles, orifice plates, and flow meters that are connected via flanges on the pipes should ( ). A. Remove it and replace it with a short pipe. B. No removal is required. C. Add a blind flange for isolation. D. Use it as an outlet for purge gas. A (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) For management purposes, if you need to view content from a few days ago, please go through the summary post below. “My Registration Season” event – (currently ongoing in the Chemical Engineering section) https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1897835
Summary post of daily questions for the 2018 Chemical Engineering Technology Training course: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888971
Summary post of daily images for the 2018 Registered Equipment section: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888970
Summary post of Q&A questions related to hydrogen production and hydrogenation technologies in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888968
Summary post of daily questions for the LNG Technology discussion section in 2018: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1888973
Summary post of Q&A questions from 2017 (updates have started): https://bbs.hcbbs.com/thread-1657793-1-1.html
Summary post of daily questions from 2017 (updates have started): https://bbs.hcbbs.com/thread-1657794-1-1.html
Summary post of daily images from 2017: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1875160
List of daily questions for the LNG section in 2017: https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1804162
Summary post of Q&A questions from 2016 (updates completed): https://bbs.hcbbs.com/thread-1597792-1-1.html