Question: 8 . 3 . 5 Water at 1 5 C flows through a 0 . 1 5 m - diameter pipe with an average velocity

8.3.5 Water at 15C flows through a 0.15 m -diameter pipe with an
average velocity of 4.5ms. Approximately what is the height of the
largest roughness element allowed if this pipe is to be classified as
smooth?
8 . 3 . 5 Water at 1 5 C flows through a 0 . 1 5

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