Quality Area Daily Topic 12-16: Instrument Issues

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This post was last edited by Shutong on 2010-12-16 at 17:01. () is typically used as a standard instrument for verification; column-type pressure gauges are generally used only to measure very low pressures. A. Liquid column type B. Elastic element type C. Piston type D. Electrical quantity type. Notes for daily topics in the quality area: 1) All participants must receive a reward: 15–20 wealth points for posting a response to the daily topic, and 5 wealth points for giving a correct answer. Do not score errors. 2) Please hide your replies; the method for doing this is: http://bbs.hcbbs.com/thread-492556-1-1.html 3) Do not edit your replies after posting them, as replies that are edited will not be scored. 4) Due to the busy workload of moderators, they can rate up to 15 replies only (cleaners are limited to 50 replies); replies beyond that will not be rated. 5) Please ask the moderators in the Quality Area to actively post and rate posts; in particular, they should provide timely and accurate ratings for topic posts that were not posted by them. This is a key measure to encourage posting in the Quality Area. 6) Members are welcome to propose daily topics. C. Piston type