Civil Engineering MCQAE Level Civil Engineering
For laminar flow through a circular pipe, friction factor f in Darcy-Weisbach equation equals
Fluid MechanicsGeneralMEDIUM
Choose the correct answer
A
64/Re
B
Re/64
C
0.079/Re^0.25
D
16/Re^2
Correct Answer
A. 64/Re
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Darcy friction factor for laminar pipe flow is 64/Re.
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