Civil Engineering MCQAE Level Civil Engineering
For laminar flow through a circular pipe, the Darcy-Weisbach friction factor is:
Fluid MechanicsFluid Mechanics and HydraulicsHARD
Choose the correct answer
A
64/Re
B
16/Re
C
32/Re
D
0.316/Re^0.25
Correct Answer
A. 64/Re
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Using Darcy friction factor convention, f = 64/Re for fully developed laminar pipe flow.
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