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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define flux in the context of mass transfer.
💡 Hint: Think about how we measure movement of pollutants.
Question 2
Easy
What does Fick’s law describe?
💡 Hint: Recall how concentration affects movement.
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 main purpose of Fick's law?
- To define mass density
- To describe diffusion rates
- To calculate pressure
💡 Hint: Think about how concentration affects movement.
Question 2
True or False: Higher viscosity always leads to higher diffusion rates.
- True
- False
💡 Hint: Consider how thickness affects motion.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A river with a steady flow has pollutants entering from sediments. If the concentration gradient from the sediment to water is calculated to be 2 mg/L over a distance of 0.5m, calculate the flux using Fick's law where the diffusion coefficient is known to be 0.01 m²/s.
💡 Hint: Remember to convert units if necessary!
Question 2
Explain how different velocities in a river would change the resistance to mass transfer. Illustrate with examples.
💡 Hint: Use analogies from previous examples discussed in class!
Challenge and get performance evaluation