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【Daily Question No. 349】December 21, 2018

2018-12-21View Original

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【Daily Question No. 349】December 21, 2018: In a nitrogen-filled system under airtight conditions, once the pressure reaches the specified value, it is necessary to (  ) in order to check for any leaks in components such as flanges and valves. Multiple-choice question: A. Maintain for the specified time; B. Release pressure slowly; C. Release pressure quickly. Answer: A. Correct: 3, Incorrect: 1 ; 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

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