CE 350 Exam 1 Summer,2004

CE 350 Exam 1 Summer,2004 - CE 350 Introduction to...

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CE 350 – Introduction to Environmental Engineering Summer, 2004 Exam 1 100 Possible Points, Time Limit – 50 min 1. Define the following terms: Gross Production : Producers are synthesizing a certain amount of organic material per unit time called gross production. Mineralization : Changing substances from organic matter (complex form) to inorganic (simple form). Ecosystem: non-living environment and its living inhabitants. Trophic Level : each level of food chain. Intensification : increased concentration of hazardous contaminants as you move up the food chain. 2. What are three of the most common air pollutants in the US? 1) Carbon Monoxide (car exhausts) 2) Sulfur Oxides(coal and oil burning) 3) Hydrocarbons 4) Nitrogen Oxides(combustion processes) 5) Particles(industrial processes, dust, ash, etc) 3. Name two common water pollutants. 1) Organic Wastes 2) Nitrogen and Phosphorus 3) Toxic Chemicals
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4. (5 points) How are living organisms sub-divided when describing an ecosystem? Producers, Consumers, Decomposers.
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CE 350 Exam 1 Summer,2004 - CE 350 Introduction to...

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