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English Translations » 【化工工程交流】 » One Question per Day----------Multiple-choice Questions on B

One Question per Day----------Multiple-choice Questions on Basic Process Knowledge (September 15)

2017-09-15View Original

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You receive a wealth reward just for participating. Multiple-choice question: In fully turbulent flow (the drag-square region), the value of the friction coefficient λ for rough pipes is ________. : A. The same as a smooth pipe B. Depends only on Re C. Depends only on relative roughness D. Independent of roughness
Reply #22017-09-15
It’s related to both speed and roughness, right?
Reply #32017-09-15
In fully turbulent flow (the drag-square region), the friction coefficient λ for rough pipes is ____C____. : A. The same as a smooth pipe B. Depends only on Re C. Depends only on relative roughness D. Independent of roughness

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Translated at 2026-07-21 04:04:14

Original: https://bbs.hcbbs.com/thread-1843122-1-1.html

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