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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define mass flux.
💡 Hint: Think of how much mass passes through a specific area.
Question 2
Easy
What is a control volume?
💡 Hint: Consider any bounded region where mass exchanges are observed.
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 mass flux refer to?
- A. Volume flow rate
- B. Mass per unit time
- C. Mass flow rate per unit area
💡 Hint: Think about what happens to mass when passing through an area.
Question 2
True or False: Density is a constant in all fluids.
- True
- False
💡 Hint: Consider different fluids and their conditions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a control volume in a pipe with variable diameter, derive an expression for mass conservation as the diameter changes.
💡 Hint: Apply the principle of mass conservation relating velocities and areas at both ends.
Question 2
Using the divergence theorem, prove how mass conservation leads to incompressible flow conditions.
💡 Hint: Consider implications of zero divergence and relate it back to the overall flow dynamics.
Challenge and get performance evaluation