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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the principle of mass balance?
💡 Hint: Think about inputs and outputs in a system.
Question 2
Easy
Define sludge.
💡 Hint: Consider the composition of wastewater.
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 balance assert?
- Mass can be created
- Mass is conserved
- Mass is lost
💡 Hint: Consider inputs versus outputs in the system.
Question 2
True or False: Adding rainwater to sludge will increase the concentration of contaminants.
- True
- False
💡 Hint: Think about how water interacts with solids.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A treatment facility has a mixture of 600,000 kg sludge with 250 mg of contaminant A. If 800 m³ rainwater is introduced into the system, what is the new concentration of A assuming all other conditions remain stable?
💡 Hint: Use mass balance equations to guide your calculations.
Question 2
The organic carbon content of the sludge is 10%. If 10% of the contaminants are bound to this carbon, how would this influence measurements if not accounted for?
💡 Hint: Consider how organic carbon binds to contaminants and the implications for data accuracy.
Challenge and get performance evaluation