Mechanical Properties of Fluids

Question: A liquid is flowing in a horizontal uniform capillary tube under a constant pressure difference $P$. The value of pressure for which the rate of flow of the liquid is doubled when the radius and length both are doubled is



1) $P$
2) $\frac{3P}{4}$
3) $\frac{P}{2}$
4) $\frac{P}{4}$
Solution: Explanation: No Explanation
Fluid Flow

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