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【Daily Question】Utilities - Mechanical & Electrical - 20200325

2020-03-25View Original

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When the Reynolds number is ( ), the flow regime of the fluid is turbulent.   A. Over 1000 B. Under 1000 C. Under 2000 D. Over 2000 Answer: D The critical Reynolds number is around 2000; flow is turbulent when it is greater than 2000 and laminar when it is less than 2000.

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