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Question
Pick out the wrong statement.
Options:
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.
Answer: Option C
Answer: (c).An ideal fluid is the one, which has negligible surface tension and obeys the Newton's law of viscosity.

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