Fluid Mechanics

Pick out the wrong statement.

  • A. The shear stress at the pipe (dia = D, length = L) wall in case of laminar flow of Newtonion fluids is #####
  • B. In the equation, the value of
  • C. Shear stress for Newtonion fluid is proportional to the rate of shear in the direction perpendicular to motion
  • D. With increase in the Mach number >0.6, the drag co-efficient decreases in case of compressible fluids
Answer: Option D.

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