Above critical velocity, the fluid flow is
Correct answer: D. turbulent
- A. laminar
- B. regular
- C. streamline
- D. turbulent
Explanation
Above the critical velocity, the fluid flow becomes turbulent. Turbulent flow is characterized by chaotic and irregular movement of fluid particles. It occurs at high flow rates and is associated with eddies, swirls, and mixing within the fluid.
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About Fluid Dynamics
Fluid flow is described through speed, pressure and density, including steady flow and the equation of continuity for conserving mass. Bernoulli's equation relates pressure, speed and height, while fluid drag and terminal velocity explain why a falling object eventually moves at constant speed when drag balances its weight.
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