What is the shear rate at the pipe wall, in case of laminar flow of Newtonian fluids in a pipe of diameter D & length L incurring a pressure drop ?p with average velocity Vavg ?

A. D ?p/8L

B. 8 Vavg/D

C. D ?p/4L

D. 4 Vavg/D

Be the first to comment if anything wrong with this mcq
Your comment successfully submitted!
It will automatically posted after review and approval by our staff member.