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【Daily Question No. 158】On June 7, 2017, water at 20℃ (ρ=1000 Kg/m³, μ=10-3 Pa·s) flowed in a pipe bundle with an inner diameter of 100 mm at a flow velocity of 1 m/s. What was the type of flow? A. Laminar flow B. Transitional flow C. Turbulent flow D. Unable to determine. The reference answer can be seen after responding; points will be awarded if the key aspects are correctly identified. (Unless otherwise specified, all questions and answers are based on hydrogenation units.) ) C Turbulence scoring criteria: 2 Wealth points for incorrect attempts; *incomplete* answers result in 3–8 points. 10 Wealth points are awarded for correct answers accompanied by detailed explanations; if additional *answers* are provided to address shortcomings, 15–20 Wealth points are given. 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