Practice Darcy-weisbach Equation (major Losses) (3.1) - Laminar and Turbulent Flow

Practice: Darcy-Weisbach Equation (Major Losses)

Lesson 3.1Laminar and Turbulent Flow

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9 questions

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2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the Darcy-Weisbach equation used for?
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Think about losses in energy when fluid moves.
Question 2.
Name a factor that affects the Darcy friction factor.
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Look at how the flow characteristics change.
3Question 3.
What does the Darcy-Weisbach equation calculate?
- Head loss due to friction
- Velocity of fluid
- Density of fluid
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It's related to energy in flow systems.
4Question 4.
True or False: The friction factor increases with the increase of Reynolds number in laminar flow.
- True
- False
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Remember the behavior of flow types.
Question 5.
Design a piping system that transports water across a distance of 200 meters with a target head loss of less than 5 meters. What diameter and flow velocity would you select? Assume a Darcy friction factor of 0.04.
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Start with rearranging the equation to solve for diameter or velocity.
Question 6.
A pipe with a diameter of 0.15 m and length of 100 m is transporting water with a velocity of 4 m/s. What happens if you increase the diameter to 0.2 m? Calculate the new head loss based on the Darcy friction factor of 0.025.
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Calculate both head losses and compare results.

5 more questions in this section. Enroll free to practise them all.