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Compressible flow is a flow that deals with ______

(a) Fluid temperature

(b) Fluid pressure

(c) Fluid density

(d) Fluid geometry

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Query is from Area Velocity Relationship for Compressible Flow topic in chapter Compressible Flow of Fluid Mechanics

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The correct answer is (c) Fluid density

Explanation: Compressible flow is a branch of fluid mechanics that deals with different types of flow. Its main significance lies in the change in fluid density. Thus, the correct option is Fluid density .

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