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What is the nature of streamlines of free vortex flow?

(a) Concentric

(b) Non-concentric

(c) Linear

(d) None of the mentioned

The question was posed to me during an internship interview.

My doubt is from Important  Cases of Potential Flow in chapter Kinematics of Flow and Ideal Flow of Fluid Mechanics

1 Answer

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Best answer
Right choice is (a) Concentric

To explain I would say: The nature of streamlines of free vortex flow is concentric.

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