Fluid Dynamics Quiz
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Questions and Answers

What is the equation for Reynolds number (Re) used to discriminate between laminar and turbulent flows?

  • $Re = \frac{\mu VD}{\rho}$
  • $Re = \frac{VD}{\mu \rho}$
  • $Re = \frac{\rho VD}{\mu}$ (correct)
  • $Re = \frac{V}{\mu D \rho}$

    • What is the equation of continuity for incompressible fluid?

  • $Q = A_1 + V_1 = A_2 + V_2$
  • $Q = A_1/V_1 = A_2/V_2$
  • $Q = A_1 - V_1 = A_2 - V_2$
  • $Q = A_1V_1 = A_2V_2$ (correct)

    • What is the speed at which the water leaves the 2.0 cm diameter faucet tap, given that it fills a 2.5×10^-2 m^3 container in 30.0 s?

  • 3.14 m/s
  • 2.65 m/s (correct)
  • 2.20 m/s
  • 1.98 m/s

    • What is the formula for the flow discharge (Q) in the context of fluid dynamics?

    <p>$Q = V/A$</p> Signup and view all the answers

    What is the Bernoulli equation used to describe?

    <p>Fluid flow behavior</p> Signup and view all the answers

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