Practice Thermodynamic Variables (3) - Viscous Fluid Flow (Contd.) - Hydraulic Engineering

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10 questions

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6 sample questions

Question 1.
Define thermodynamic variables.
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Think about the key quantities characterizing fluids.
Question 2.
What does the conservation of mass state?
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Consider the implications in a closed vessel.
3Question 3.
Which of the following is NOT a thermodynamic variable?
- Density
- Pressure
- Speed
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Think about what defines the state of a fluid.
4Question 4.
The assumption of thermodynamic equilibrium allows us to treat viscosity as what?
- Constant
- Variable
- Zero
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Reflect on how properties behave under stable conditions.
Question 5.
A fluid flows through a pipe where the pressure decreases as the fluid moves. Explain how this might affect the fluid's viscosity and density.
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Think about how fluids behave under pressure changes.
Question 6.
Given an incompressible fluid, derive the implications of the equation of continuity in relation to flow rate in different regions of a pipeline.
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Consider the consequences of varying areas in flowing systems.

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