Practice Interphase Mass Transfer – Flux and Mass Transfer Resistance - 1.2 | 7. Interphase Mass Transfer – Flux and Mass Transfer Resistance | Environmental Quality Monitoring & Analysis, - Vol 4
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Knowledge

1.2 - Interphase Mass Transfer – Flux and Mass Transfer Resistance

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Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is flux in the context of mass transfer?

💡 Hint: Think about what quantity represents movement across an area.

Question 2

Easy

Define Fick's law of diffusion in simple terms.

💡 Hint: Focus on the relationship between mass and concentration.

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 Fick's law state?

  • Flux is unrelated to concentration
  • Flux is proportional to concentration gradient
  • Flux only applies to gases

💡 Hint: Remember: Higher concentration differences mean greater flux.

Question 2

True or False: Higher viscosity decreases mass transfer resistance.

  • True
  • False

💡 Hint: Think about how thick fluids behave.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A river polluted by sewage shows a concentration of pollutant A at 5 mg/L. By applying the mass balance concept, how would you calculate the concentration at a downstream point 100m away if the mass transfer from sediments is estimated at 2 mg/L?

💡 Hint: Use the concept of mass balance for transfer rates.

Question 2

Given that the diffusion coefficient of a substance is known to be 0.5 cm^2/s in water, calculate the flux if the concentration difference is 10 mg/m^3 over a distance of 0.1m.

💡 Hint: Remember to apply the negative sign for flux directionality.

Challenge and get performance evaluation