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【Daily Question No. 218】2018.08.12

2018-08-12View Original

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【Daily Question No. 218】On August 12, 2018, when reading a liquid-column pressure gauge, in order to reduce parallax it is necessary to read the position of the liquid surface correctly; if an immersing liquid such as water is used, its (  ) must be read. A、The lowest point of the concave surface B、The highest point of the convex surface C、The highest point of the concave surface D、The lowest point of the convex surface Answer: A. 3 correct for wealth, 1 incorrect for wealth ; 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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