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The frictional resistance for fluids in motion is (a)dependent on the pressure for both laminar and turbulent flows

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+1 vote
in Fluid Mechanics by (118k points)
The frictional resistance for fluids in motion is

(a) dependent on the pressure for both laminar and turbulent flows

(b) independent of the pressure for both laminar and turbulent flows

(c) dependent on the pressure for laminar flow and independent of the pressure for turbulent flow

(d) independent of the pressure for laminar flow and dependent on the pressure for turbulent flow

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This interesting question is from Loss of Energy in Pipes in division Flow Through Pipes of Fluid Mechanics

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Correct choice is (b) independent of the pressure for both laminar and turbulent flows

Easiest explanation: According to the laws of fluid friction, the frictional resistance is independent of the pressure for both laminar and turbulent flows.

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