【Daily Question No. 257】2017.09.15
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【Daily Question No. 257】September 15, 2017: In which of the following situations could a centrifugal compressor experience surge? ( ) A. Reduced intake airflow B. Lowered intake temperature C. Increased flow D. All of the above. The reference answers can be seen after responding; scoring is possible by identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) The answer to the daily activity question has changed; today’s answer will be shown in subsequent questions. For management purposes, if you need to view content from a few days ago, please go through the summary post below. 2017 Q&A Summary Thread (updates have started) http://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have started) 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 (Source: Haichuan Chemical Industry Forum)
In the following situations, which one may cause surging in a centrifugal compressor? (A) A. Reduced intake airflow B. Lowered intake temperature C. Increased flow D. All of the above