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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the mass conservation principle state?
💡 Hint: Think about a closed system.
Question 2
Easy
What is the primary equation used for momentum conservation?
💡 Hint: Consider Newton's second law.
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 is the fundamental principle of mass conservation?
- Mass can be created
- Mass can be destroyed
- Mass cannot be created or destroyed
💡 Hint: Think about how substances behave in closed environments.
Question 2
In the momentum conservation equation, what does the sum of forces equal?
- True
- False
💡 Hint: It's a fundamental aspect of Newton's laws.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A jet of water with a density of 1000 kg/m³ and a velocity of 15 m/s strikes a stationary wall. Calculate the anchoring force required to hold the wall in place, assuming the area of the jet is 0.01 m².
💡 Hint: Remember to apply the momentum change principle.
Question 2
If a control volume has an inlet mass flow rate of 3 kg/s and an outlet mass flow rate of 2 kg/s, what is the net change in mass in that volume over 5 seconds?
💡 Hint: Think of how mass adds or removes over time.
Challenge and get performance evaluation