Instruments: [Daily Question] December 16, 2010
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This post was last edited by cnooczhouyx on 2010-12-17 11:17. [Daily Question] Question for December 16, 2010: 1. Which of the following statements regarding the wires used in resistance thermometers is incorrect? ( ) A) Platinum wire is often used. B) Copper wire is also utilized. C) Nickel wire is also used. D) Manganin wire is used sometimes. 2. The thermometer with the best vibration resistance is ( ). A) Glass fluid B) Bimetallic C) Pressure-type. Notes: 1) The first 50 participants will definitely receive a reward; in principle, no additional points are given for those beyond 50. Among them, the top 20 who answer correctly receive a \"Wealth 5\" award, while those from 21 to 50 receive a participation prize. Those who answer 3 questions correctly and 2 incorrectly receive a \"Wealth\" award ； Points can be awarded additionally for detailed analysis, in-depth discussion, and discretion ； 2) Please hide your replies; the method for doing this is at http://bbs.hcbbs.com/thread-492556-1-1.html. Do not edit the replies after posting them. (No rewards will be given for any replies that are not hidden. ) 3) Posts that expire will be closed, and the answers will become visible after the post is closed ； Thank you all for your participation ； 【Daily Question】Answer for December 16, 2010: 1. D 2. B
This post was last edited by zzyslhj on 2010-12-16 at 10:11. I hadn’t learned about D B before; it turns out there is so much knowledge in this area – it seems that knowing only the commonly used aspects isn’t enough. The moderators could create more questions with practical applications!
1. Which of the following statements regarding the wires used with resistance thermometers is incorrect? (D) A) Platinum wire is often used. B) Copper wire is also utilized. C) Nickel wire is also used. D) Manganin wire is used sometimes. 2. The thermometer with the best vibration resistance is (B) A) Glass liquid type B) Bimetallic type C) Pressure type
Question 1: C Question 2: C