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Wastewater Classification Quiz

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Questions and Answers

Why is it important to understand and classify wastewater?

To design and operate collection, treatment, and reuse facilities effectively (correct)
To increase the pollution content of water bodies
To determine the cost of treating wastewater
To reduce the need for separate storm sewers

Which type of wastewater is based on the source and can be readily treatable?

Domestic wastewater (correct)
Industrial wastewater
Storm wastewater
Agricultural wastewater

What problem can stormwater cause in wastewater treatment plants?

Decrease in hydraulic overloading
Too much dilution of the wastewater (correct)
Enhanced efficiency in treatment
Increase in the treatability of wastewater

How is wastewater classified?

Based on its source (C) Signup and view all the answers

Why do sewer systems often require separate storm sewers?

To avoid hydraulic overloading of treatment plants (B) Signup and view all the answers

What is the main purpose of removing nutrients before discharging them into surface water?

To prevent eutrophication (A) Signup and view all the answers

Which parameter indicates the oxygen-consuming capacity of organic matter in wastewater?

Chemical Oxygen Demand (COD) (D) Signup and view all the answers

What does eutrophication in surface waters result from?

Input of nitrates and phosphates (B) Signup and view all the answers

Which of the following is a characteristic of wastewater associated with phosphorus?

Orthophosphate as a significant component (D) Signup and view all the answers

What does the term 'priority pollutants' in wastewater refer to?

Inorganic and organic compounds that are carcinogenic (C) Signup and view all the answers