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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does µg/m³ measure?
💡 Hint: Think about how pollution is expressed in the air.
Question 2
Easy
What unit measures emission rates?
💡 Hint: Consider how we measure pollution that is released over time.
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 unit is commonly used to express the concentration of air pollutants?
- kg/hr
- µg/m³
- ppm
💡 Hint: Think about how pollutant concentrations are depicted.
Question 2
True or False: Emission rates are expressed in grams per cubic meter.
- True
- False
💡 Hint: Consider what emission rates focus on.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A manufacturing plant emits pollutants at an emission rate of 120 kg per hour. If they operate 24 hours a day, how many kilograms are emitted in a week?
💡 Hint: Don't forget to multiply by the hours they operate in a day and then by 7 for the week.
Question 2
If the concentration of a particular pollutant in a city is 45 µg/m³ and the air quality standard is 35 µg/m³, by how much does this concentration exceed the standard?
💡 Hint: Subtract the acceptable standard from the observed concentration.
Challenge and get performance evaluation