Agricultural Engineering > GATE 2014 > Fluid Mechanics
For a fully developed laminar flow through a smooth pipe, the relationship between friction factor (f) and Reynolds number (Re) is
A
f ∝ (Re)
B
f ∝ (Re)^{-1}
C
f ∝ (Re)^2
D
f ∝ (Re)^{-2}

Correct : b

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