Venturi meter is used to measure
Correct answer: C. fluid speed
- A. fluid pressure
- B. fluid density
- C. fluid speed
- D. fluid energy
Explanation
A Venturi meter is used to measure the fluid speed or flow velocity within a pipe. It utilizes the principle of the Venturi effect to determine the velocity of the fluid passing through it by measuring the pressure difference between the narrow and wider sections of the pipe.
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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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