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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the continuity equation in terms of flow rates?
💡 Hint: Think about the relation between cross-sectional area and fluid velocity.
Question 2
Easy
Define a control volume.
💡 Hint: Consider it as an imaginary box through which fluid flows.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the continuity equation primarily express?
- Conservation of energy
- Conservation of mass
- Newton's law
💡 Hint: Consider which law correlates with mass in fluids.
Question 2
The mass flow rate must be constant in a flow system. True or False?
- True
- False
💡 Hint: Recall the principle of conservation.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A tank has a rectangular cross-section of 2m by 3m. Water flows out at a rate of 0.5 cubic meters per minute. If the water level is dropping, find the rate of drop in height.
💡 Hint: Convert your flow rate to match the units of height.
Question 2
Two pipes are connected: the first with a diameter of 10 cm and the second with 15 cm. If the velocity in the first pipe is 3 m/s, find the velocity in the second pipe.
💡 Hint: Remember to find A using the diameter to calculate areas.
Challenge and get performance evaluation