Question

In case of turbulent flow of fluid through a circular pipe, the

a.

mean flow velocity is about 0.5 times the maximum velocity.

b.

velocity profile becomes flatter and flatter with increasing Reynolds number.

c.

point of maximum instability exists at a distance of 2r/3 from the pipe wall (r = pipe radius).

d.

skin friction drag, shear stresses, random orientation of fluid particles and slope of velocity profile at the wall are more.

Answer: (d).skin friction drag, shear stresses, random orientation of fluid particles and slope of velocity profile at the wall are more.

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Q. In case of turbulent flow of fluid through a circular pipe, the

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