Practice Department Of Civil Engineering (1.2)

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9 questions

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6 sample questions

Question 1.
What is the key principle of the continuity equation?
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Think about steady-state conditions.
Question 2.
Define Reynolds transport theorem.
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Remember the mass and flow considerations.
3Question 3.
What does the continuity equation relate to in fluid mechanics?
- Mass conservation
- Energy conservation
- Momentum conservation
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Consider what remains constant in a closed system.
4Question 4.
True or False: The Reynolds transport theorem can be used to derive various conservation principles.
- True
- False
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Think about how broad this theorem's implications are.
Question 5.
A pipe narrows from a diameter of 30 cm to 15 cm. If water flows at a speed of 2 m/s in the wider pipe, calculate the speed in the narrow pipe.
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Remember to convert diameters to radius first.
Question 6.
A water jet exits a nozzle with a diameter of 5 cm at 10 m/s. Calculate the force exerted on a plate if the jet impacts at a 30-degree angle.
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Break the velocity vector into components.

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