Question

Pick out the correct statement.

a.

A forced vortex occurs when fluid rotates as a solid about an axis.

b.

In laminar flow, Newton's law of viscosity does not apply.

c.

A free vortex occurs, when fluidrotates as a solid.

d.

In turbulent flow, there are neither cross-currents nor eddies.

Answer: (a).A forced vortex occurs when fluid rotates as a solid about an axis.

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Q. Pick out the correct statement.

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