Q349
What is the shear rate at the pipe wall, in case of laminar flow of Newtonion fluids in a pipe of diameter 'D' & length 'L' incurring a pressure drop 'Δp' with average velocity 'Vavg'?
A.
D Δp/8L
B.
D Δp/4L
C.
8 . Vavg/D
AnswerD.
4 . Vavg/D
Answer: Option C
Solution
Answer: Option C
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