Turbulent flow generally occurs for cases involving__________________?
Correct answer: B. None of these
- A. Highly viscous fluid
- B. None of these
- C. Very slow motion
- D. Very narrow passages
Explanation
Turbulence is promoted by high Reynolds number, usually through high velocity, large characteristic length, or low viscosity. Highly viscous fluids, narrow passages, and very slow motion generally favour laminar flow, so none of the listed cases applies.
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