Practice Moment Of Momentum Equation (3) - Conservation of Momentum - Hydraulic Engineering - Vol 1

Practice: Moment of Momentum Equation

Lesson 3Conservation of Momentum

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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 Reynolds transport theorem?
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Think about how mass moves in and out of a system.
Question 2.
Define momentum in fluid mechanics.
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Consider how fluid motion is quantified.
3Question 3.
What does the Reynolds transport theorem relate?
- Mass flow only
- Changes in system properties
- Only velocity changes
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Consider how fluid properties change over time.
4Question 4.
True or False: Momentum in a closed system remains constant.
- True
- False
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Think about the principle of conservation laws.
Question 5.
A jet of water flows with a velocity of 10 m/s into a control volume of diameter 0.1 m. Calculate the momentum being transferred to the control volume when it exits.
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Remember the equation: Momentum = ρ * Q * V.
Question 6.
In a horizontal pipe with varying diameters, the fluid's inlet diameter is 0.2 m and the outlet diameter is 0.1 m. If the inlet velocity is 5 m/s and density is 1000 kg/m³, what is the outlet velocity?
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Consider that the area changes as fluid flows from one diameter to another.

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