【Daily Question 2019】LNG Section – Question No. 58
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【Daily Question 2019】LNG Section – Question No. 58: When maintaining pressure pipelines, after the pipeline system is shut down, if the medium involved are flammable, explosive, or harmful gases, what method should be used for purging? Multiple-choice: A. Inert gases B. Oxygen C. Water vapor. 1 correct, 3 incorrect ； Mass posting of posts – rated based on the lowest score ； Replies that are unrelated to the answer are considered spam and will be deleted immediately. For management purposes, if you need to view content from a few days ago, please go to https://bbs.hcbbs.com/home.php?mod=space&uid=3862647&do=thread&view=me&from=space through the summary post below
When repairing pressure pipelines, after the pipeline system is shut down, if the medium is flammable, explosive, or harmful gas, ( ) should be used for purging. A. Inert gases