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English Translations » 历史存档[信息] » 【Daily Question】 2016 07 18 Hydrogenation Sector Multiple-ch

【Daily Question】 2016 07 18 Hydrogenation Sector Multiple-choice Question

2016-07-18View Original

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【Daily Question】 2016-07-18: Hydrogenation section – Multiple-choice question. During the shutdown of hydrogenation and hydrogen-related systems, what should be used for purging? A. Air B. Nitrogen C. Water vapor D. Hydrogen. Answer: B
Reply #22016-07-18
During the shutdown of the hydrogenation and hydrogen treatment systems, it is necessary to displace the air with (B. nitrogen)

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Translated at 2026-07-20 23:47:28

Original: https://bbs.hcbbs.com/thread-1602693-1-1.html

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