For a fully developed laminar flow through a smooth pipe, the relationship between friction factor $(f)$ and Reynolds number $(R e)$ is
(A) $f \propto(R e)$
(B) $f \propto(R e)^{-1}$
(C) $f \propto(R e)^{2}$
(D) $f \propto(R e)^{-2}$

Question ID - 157202 | SaraNextGen Top Answer

For a fully developed laminar flow through a smooth pipe, the relationship between friction factor $(f)$ and Reynolds number $(R e)$ is
(A) $f \propto(R e)$
(B) $f \propto(R e)^{-1}$
(C) $f \propto(R e)^{2}$
(D) $f \propto(R e)^{-2}$