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Study questions are designed to reinforce your understanding of the lesson material.
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Question 1 of 10
1. Question
What is the pH range for natural waters?
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Question 2 of 10
2. Question
What is the calcium levels of natural waters?
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Question 3 of 10
3. Question
What is the typical dry suspended matter content for industrial wastewater?
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Question 4 of 10
4. Question
In a typical urban wastewater, about 75 percent of the suspended solids and more than 50 percent of the filterable solids are _________ in nature.
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Question 5 of 10
5. Question
Proteins represent ___________ percent of the organic content in wastewater streams
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Question 6 of 10
6. Question
Carbohydrates represent ___________ percent of the organic content in wastewater streams
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Question 7 of 10
7. Question
Environmental engineering is the application of science and engineering principles to improve the environment (air, water, and/or land resources), to provide healthy water, air, and land for human habitation and for other organisms, and to clean polluted sites.
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Question 8 of 10
8. Question
_____________ removes over 90% of the impurities that were in the water as it entered the plant.
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Question 9 of 10
9. Question
_____________ is greatly influenced by atmospheric conditions and seasonal variations in temperature
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Question 10 of 10
10. Question
The composition of the ______________ fraction which either dissolves in the liquid stage or clings to suspended or colloidal solids can be traced back to the metal contents of salts in general to the content of substances such as nitrate, phosphorus, sulfur, chlorine and their compounds.
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