Thread Content
This post was last edited by 955559 on 2017-7-21 22:37. [Daily Question No. 099] April 9, 2017: When two identical centrifugal pumps are connected in series, the head generated is ( ) the head produced by each pump when operating alone. A. Less than B. Equal to C. Greater than D. Cannot be determined. The reference answers will be visible after replying*, and points can be earned by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) C 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 Savings” campaign (sponsors sought; highest returns ever) http://bbs.hcbbs.com/thread-1666758-1-1.html Sponsors are being sought for this campaign; those interested can contact the campaign coordinator. (Sponsors of the event are entitled to the policy allowing them to include promotional ads as sponsors in various events held in the petrochemical region for one year.) The Petrochemical Deep Processing Edition – the event to share pictures of chemical processing equipment has begun! A vast amount of wealth, as well as HChuan coins, are waiting for you to claim them. 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 Chemical Engineering Forum)