[Solved] What is the name of the equation? Q = (πΔPr4) / (8μL)

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Q.	What is the name of the equation? Q = (πΔPr4) / (8μL)
A.	Darcey equation
B.	Poiseuille law
C.	Reynolds equation
D.	Sherwood law
Answer» B. Poiseuille law
Explanation: The Hagen–Poiseuille equation also called as the Hagen–Poiseuille law, is a physical law that gives the pressure drop in an incompressible and Newtonian fluid which is flowing through a long cylindrical pipe in laminar flow of constant cross section.

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