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A. The form drag is dependent upon the occurrence of a wake
B. The shear stress at any given cross-section of a pipe for steady flow (either laminar or turbulent) varies linearly as the radial distance
C. An ideal fluid is the one, which has negligible surface tension and obeys the Newton’s law of viscosity
D. Existence of the boundary layer in fluid flow is because of viscosity of the fluid.

Correct Answer: C. An ideal fluid is the one, which has negligible surface tension and obeys the Newton’s law of viscosity

Last Updated: March 11, 2019