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Which outcome occurs when fluid approaches a stenosis?

A)Pressure decreases; velocity increases
B)Turbulence decreases; viscosity increases
C)Density increases; Kinetic energy decreases
D)Temperature decreases; Reynolds number decreases

💡 Explanation

The Venturi effect explains this; the constriction decreases the flow area. Velocity increases due to mass conservation using the continuity equation, which increases the dynamic pressure component; therefore, static pressure drops rather than increases or kinetic energy decreasing.

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