Water flows through a horizontal pipe at a constant volumetric rate. At a point where the cross sectional area decreases, the velocity of the fluid is
Question and options
Water flows through a horizontal pipe at a constant volumetric rate. At a point where the cross sectional area decreases, the velocity of the fluid is
- zero
- constant
- decreased
- increased
Answer and explanation
Correct answer: D - increased
For an incompressible fluid at constant flow rate, (continuity), so where the cross-sectional area decreases the velocity increases.
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