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Viscous flow through circular pipe

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In viscous flow through pipe, the ratio of maximum velocity to average velocity is given by

a:

\frac{1}{\mu} \frac{\partial P}{\partial x} R^2

Explanation

Explanation

b:

\frac{1}{4\mu} \frac{\partial P}{\partial x} R^2

Explanation

Explanation

c:

\frac{1}{4\mu} \frac{\partial P}{\partial x} R

Explanation

Explanation

d:

\frac{3}{4\mu} \frac{\partial P}{\partial x} R^2

Explanation

Explanation

The Hagen Poiseuille formula is

a:

h_f = \frac{32 \mu \bar{u} L}{\rho g D^2}

Explanation

Explanation

b:

h_f = \frac{12 \mu \bar{u} L}{\rho g D^2}

Explanation

Explanation

c:

h_f = \frac{32 \mu \bar{u} }{\rho g D^2}

Explanation

Explanation

d:

h_f = \frac{32 \mu u L}{\rho g D}

Explanation

Explanation

Viscous flow is between two parallel plates, the ratio of maximum velocity to average velocity is given by

a:

\frac{-2}{8\mu} \frac{\partial P}{\partial x} t^2

Explanation

Explanation

b:

\frac{-1}{3\mu} \frac{\partial P}{\partial x} t^2

Explanation

Explanation

c:

\frac{-1}{8\mu} \frac{\partial P}{\partial x} t^2

Explanation

Explanation

d:

\frac{-1}{8\mu} \frac{\partial P}{\partial x} t

Explanation

Explanation

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