Question: 10. a) Write a short note on Prandtl Mixing Length Concept b) An oil of viscosity 0.12 Ns/m and specific gravity 0.85 is pumped

10. a) Write a short note on Prandtl Mixing Length Concept b)

10. a) Write a short note on Prandtl Mixing Length Concept b) An oil of viscosity 0.12 Ns/m and specific gravity 0.85 is pumped at the rate of 0.03 m/s through a pipe having 0.20 m diameter and 400 m length. Compute the pressure drop, average shear stress at the wall of the pipe and power required to maintain the flow, assuming pipe is horizontal. (5,5)

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