Introduction to Wastewater Collection Chapter 1 Question and answers rated A+ 2024/2025
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Course
CMOM
Institution
CMOM
Introduction to Wastewater Collection Chapter 1 Question and answers rated A+ 2024/2025 Introduction to Wastewater Collection Chapter 1
Gravity Flow - correct answer Water or wastewater flowing from a higher elevation to a lower elevation due to the force of gravity. The water does not flow d...
Introduction to Wastewater Collection
Chapter 1
Gravity Flow - correct answer ✔Water or wastewater flowing from a higher
elevation to a lower elevation due to the force of gravity. The water does not
flow due to the energy provided by a pump. Wherever possible, wastewater
collection systems are designed to use the force of gravity to carry waste
liquids and solids.
Infiltration - correct answer ✔The seepage of ground into a wastewater
collection system. Seepage usually occurs through defective or cracked pipes,
pipe joints and connections, interceptor access risers and covers, or manhole
walls.
Exfiltration - correct answer ✔Water waste and water-carried wastes that
unintentionally leak out of defects in a sewer pipe wall and into the
environment.
Inflow - correct answer ✔Water discharged into a wastewater collection
system and service connections from sources such as roofs leaders, cellars,
yard and area drains, foundation drains, cooling water discharges, drains from
springs and swampy areas. around manhole cover, etc...Differs from
infiltration - direct discharge into the sewer rather than a leak in the sewer
itself.
SSO - correct answer ✔Sanitary Sewer Overflow
SSO (defined) - correct answer ✔Sanitary Sewer Overflow. Wastewater that
flows out of a sanitary sewer (or Lift station) as a result of flow exceeding the
hydraulic capacity of the sewer or stoppages in the sewer.
, NPDES permit - correct answer ✔A National Pollutant Discharge Elimination
System permit
NPDES - correct answer ✔Is the regulatory agency document issued by
either a federal or state agency that is designed to control all discharge of
potential pollutants from point source and stormwater runoff into US
waterways.
Which O&M programs are similar to those of a wastewater collection systems
- correct answer ✔Other Utilities
What is one way to think about the operation and maintenance of a
wastewater collection system. - correct answer ✔As protecting the capital
investment the community has made int he waste water collection system.
Because other underground utilities are normally installed near the
wastewater collection system, what is one other service that could be also
disrupted if a collection system fails due to leaking sewer mains - correct
answer ✔Water Service
What is another name for a wastewater collection system? - correct answer
✔Sewerage System
What utilities must be shut off immediately when basements flood? - correct
answer ✔Electricity and Gas
Once wastewater is collected from residences and business, where does it
go? - correct answer ✔Waste water treatment plants
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