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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is sludge?
💡 Hint: Think about what typically accumulates in a waste tank.
Question 2
Easy
What does mass balance mean?
💡 Hint: What do we need to keep track of in our water treatment?
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 impact of evaporation on pollutant concentration?
- Increases concentration
- Decreases concentration
- No effect
💡 Hint: Think about how removing water affects what's left behind.
Question 2
True or False: Mass balance is irrelevant in wastewater treatment.
- True
- False
💡 Hint: What do we do to ensure nothing is lost during treatment?
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the change in concentration of a chemical A originally at 100 mg/L when 50% of the water evaporates.
💡 Hint: Use the concentration formula after accounting for the volume change.
Question 2
A waste tank originally contains 600 kg of sludge with 250 mg/kg of Chemical A. After adding 2000 liters of rainwater, calculate the final concentration of A assuming no evaporation.
💡 Hint: Use mass balance and volume changes to find results.
Challenge and get performance evaluation