Practice Hydraulic Engineering (1) - Basics of fluid mechanics-II (contd.)

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8 questions

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6 sample questions

Question 1.
What does Bernoulli's equation describe?
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Think about energy transformations in a fluid.
Question 2.
What is the assumption made about fluid density in Bernoulli's equation?
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What type of fluid behaves this way?
3Question 3.
What does Bernoulli's equation relate?
- Pressure and Velocity
- Pressure and Temperature
- Velocity and Density
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Consider what affects fluid flow characteristics.
4Question 4.
Is it true that Bernoulli's equation applies for any flow?
- True
- False
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Reflect on the conditions required.
Question 5.
A 10 cm diameter pipe narrows to 5 cm. If the water flows at 2 m/s at the wider section, what will be the velocity at the narrower section?
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Remember the areas of circles when calculating A1 and A2.
Question 6.
Determine the energy loss in a hydraulic system where the fluid travels through a 90° bend.
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What variables do you need to consider for the friction factor?

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