【Q&A Question 106】April 16, 2017

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【Q&A Question 106】April 16, 2017: Describe the components of intake and exhaust valves. The reference answers can be seen after responding; scoring is granted as long as the key points are addressed. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) Both intake and exhaust valves consist of components such as the valve seat, lift limiter, valve leaf, buffer plate, spring, clamping bolt, nut, anti-loosening pin, and positioning pin. Scoring criteria: 2 Wealth points for incorrect responses; *incomplete* answers earn 3–8 points. 10 Wealth points are given for correct answers accompanied by detailed explanations; responses that are correct but lack sufficient details earn 15–20 Wealth points. Please score according to these criteria. 2017 Q&A Summary Thread (updates starting now) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates starting now) 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 Petrochemical Sector – “Creative Ideas for Energy Saving” campaign (sponsors sought; highest returns ever) http://bbs.hcbbs.com/thread-1666758-1-1.html Sponsors are being sought for this campaign; those interested may contact the event organizer. Petrochemical deep processing version – the event to share pictures of chemical equipment has started! A vast amount of wealth, along with HChuan coins, is waiting for you to claim it: http://bbs.hcbbs.com/thread-1760733-1-1.html. Notice regarding the collection of chemical engineering technical materials in the “Petroleum and Chemicals Section”: http://bbs.hcbbs.com/thread-1614796-1-1.html (Source: HChuan Chemicals Forum)