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For a steady two-dimensional flow, if the streamlines and equipotential lines coincide, what can be said about the flow?
13. For a steady two-dimensional flow, if the streamlines and equipotential lines coincide, what can be said about the flow?
- It is irrotational
- It is rotational
- It is compressible
- It is viscous
Answer: A) It is irrotational.
Explanation:
When the streamlines and equipotential lines coincide, it implies that the flow is irrotational (no vorticity) and can be described using a velocity potential function. This is a characteristic of irrotational flow behavior.