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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does BOD stand for?
💡 Hint: The term relates to the oxygen required by micro-organisms.
Question 2
Easy
What is the purpose of a BOD bottle?
💡 Hint: It's standard and usually about 300 mL in volume.
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 process for calculating BOD?
- DO0 + DO5
- DO0 - DO5
- DO5 - DO0
💡 Hint: Think about what the measurement represents.
Question 2
True or False: BOD is a direct measurement of organic compounds in water.
- True
- False
💡 Hint: Consider what BOD reflects about the organic material in water.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A sample has a BOD5 measured as 8.4 mg/L. If the dilution factor was 5, calculate the true BOD of the sample, considering the potential dilution water's BOD is negligible.
💡 Hint: Multiply the measured BOD by the dilution factor to find the true BOD.
Question 2
Consider a scenario where a municipality is assessing the health of a river. What BOD levels would imply significant pollution, and what actions would you suggest to them?
💡 Hint: Think about standard BOD thresholds for water quality.
Challenge and get performance evaluation