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【Daily Question No. 163】June 12, 2017: Among the following options, which one is not part of the steps for starting a hot oil pump? () A. Fill the bearing housing with lubricating oil. B. Preheat the pump by rotating the shaft. C. Open the cooling water valve. D. There is no need to turn off the preheating line. The reference answers can be seen after responding; scoring is based on identifying the key points. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) D Scoring Criteria: 2 Wealth points for incorrect attempts; 3–8 points for *incomplete* answers. 10 Wealth points for correct answers accompanied by detailed explanations; 15–20 Wealth points for correct answers with additional *insufficient* details. Please score according to these criteria. Note: If there are editing records after answering, only points will be awarded to those who participated. For continuous malicious spamming, 2 points will be deducted each time, with no upper limit. Pure numbers, pure emojis, or random letters that have nothing to do with the answer are all considered malicious spamming; points will start to be deducted after three warnings. 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