# A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ? Correct Answer: D. VX = V0 + (4/3) q (x3/L2D). Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A pipe has a porous section of length L as shown in the figure. Velocity at the start of this section of V0. If fluid leaks into the pipe through the porous section at a volumetric rate per unit area q(x/L)2, what will be axial velocity in the pipe at any „x‟? Assume incompressible one dimensional flow i.e., no gradients in the radial direction ?

Direct Answer & Quick Reference

The correct option is **D. VX = V0 + (4/3) q (x3/L2D)**.

A. VX = V0 + q (x3/L2D)

B. VX = V0 + ⅓q (x3/L2)

C. VX = V0 + 2q (x2/LD)

D. VX = V0 + (4/3) q (x3/L2D) **(Correct Answer)**

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Verified Key: D. VX = V0 + (4/3) q (x3/L2D)
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