【Daily Question No. 139】May 19, 2017

Thread Content

This post was last edited by liuquan1100 on 2017-5-19 06:50. [Daily Question No. 139] May 19, 2017: During one back-and-forth movement of the piston, four processes occur in sequence: expansion ( ), compression ( ). The reference answers can be seen after clicking *Reply*; points will be awarded for identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Inhalation and exhalation scoring criteria: 2 Wealth points for incorrect answers; *incomplete* answers score 3–8 points. Correct answers with a detailed explanation earn 10 Wealth points, while correct answers with insufficient supplementary *answers* grant 15–20 Wealth points. Please use these criteria for scoring. Note: If there are editing records after answering, only those who participated will be given points. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters unrelated to the answer are all considered malicious spamming; points will start to be deducted after three warnings. 2017 Q&A Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have begun) http://bbs.hcbbs.com/thread-1657794-1-1.html 2016 Q&A Summary Thread (updates completed) http://bbs.hcbbs.com/thread-1597792-1-1.html