Which one of the following correctly represents the shear stress distribution across a section of a circular pipe having a viscous flow?

\[\tau =\frac{\partial p\left( r \right)}{\partial x}\]

\[\tau =\frac{\partial p{{r}^{2}}}{\partial x}\]

\[\tau =\frac{\partial p\left( r/2 \right)}{\partial x}\]

Which one of the following correctly represents the shear stress distr

1.	Which one of the following correctly represents the shear stress distribution across a section of a circular pipe having a viscous flow?
A.	\[\tau =\frac{\partial p{{r}^{2}}}{\partial x}\]
B.	\[\tau =\frac{\partial p\left( r/2 \right)}{\partial x}\]
C.	500 V
D.	\[\tau =\frac{\partial p\left( r \right)}{\partial x}\]
Answer» D. \[\tau =\frac{\partial p\left( r \right)}{\partial x}\]

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Which one of the following correctly represents the shear stress distribution across a section of a circular pipe having a viscous flow?

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