Fluid Mechanics
Choose the set of pressure intensities that are equivalent.

4.33 psi, 10 ft. of water, 8.83 inches of Hg
4.33 psi, 10 ft. of water, 20.7 inches of Hg
10 psi, 19.7 ft. of water, 23.3 inches of Hg
10 psi, 19.7 ft. of water, 5.3 inches of Hg

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Fluid Mechanics
The Prandtl mixing length is

Independent of the shear stress
Useful for computing laminar flow problems
Independent of radial distance from the pipe axis
Zero at the pipe wall and is a universal constant

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