18 Questions
What is the recommended velocity in a gravity sewer to ensure that the solids do not settle out?
2 cubic feet per second
Can fats, oils, and grease accumulation in sewers cause sewer overflows?
Yes
What is the term for groundwater entering sewer collection pipes through cracks and defective pipe joints?
Infiltration
Is a Combined sewer system the one that brings the combined domestic and industrial wastewater flow to the treatment plant?
Yes
What are samples collected over several hours during the day and then combined known as?
Composite samples
Why are flow proportionate composite samples collected?
The flow and waste characteristics are continually changing
What is the term for groundwater entering sewer collection pipes through cracks and defective pipe joints?
Infiltration
Can fats, oils, and grease accumulation in sewers cause sewer overflows?
True
What are samples collected over several hours during the day and then combined known as?
Composite samples
Is a Combined sewer system the one that brings the combined domestic and industrial wastewater flow to the treatment plant?
True
What is the recommended velocity in a gravity sewer to ensure that the solids do not settle out?
2 cubic feet per second
Why are flow proportionate composite samples collected?
The flow and waste characteristics are continually changing
What is the term for sewer pipes bringing combined domestic and industrial wastewater flow to the treatment plant?
Combined sewer system
Why should the velocity in a gravity sewer be at least 2 cubic feet per second?
To ensure that solids do not settle out in the sewer lines
What term is used for groundwater entering sewer collection pipes through cracks and defective pipe joints?
Infiltration
What are samples collected over several hours during the day and then combined known as?
Composite samples
What is the main cause of sewer overflows according to the text?
Groundwater infiltration into sewer collection pipes
Why are flow proportionate composite samples collected?
To accurately represent the changing waste characteristics and flow
Test your knowledge on sewer systems with this quiz. It covers topics such as velocity in gravity sewers, the impact of fats, oils, and grease accumulation, groundwater inflow into sewer pipes, and combined sewer systems.
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