Engineering :: Fluid Mechanics and Hydraulic Machines

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Identify the correct statement

[A].	Frictional resistance in a pipe decreases with density of the fluid	[B].	Frictional resistance in a pipe is dependent on the fluid pressure
[C].	Frictional resistance in a pipe is independent on surface roughness	[D].	Frictional resistance in a pipe depends on the square of area of the wetted surface
[E].	Frictional resistance in a pipe increases with the square of velocity

Answer: Option E