Sewerage Systems and Drainage Structures Quiz
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Questions and Answers

What is the recommended velocity (speed) for wastewater movement in a gravity collection system?

  • 6 to 8 ft/sec
  • 4 to 6 ft/sec
  • 1 to 2 ft/sec
  • 2 to 4 ft/sec (correct)
  • Which method of wastewater collection is dependent on the size of the community and the type of system selected?

  • Vacuum System
  • Pumping Station
  • Force Main Collection System
  • Gravity Collection System (correct)
  • What can happen if the velocity of wastewater in a gravity collection system is too low?

  • Solids will settle out and cause clogged lines, overflows, and offensive odors (correct)
  • The community will experience water shortage
  • The wastewater treatment plant will be overloaded
  • The system will become more efficient
  • Which method of wastewater collection involves the use of a pumping station?

    <p>Force Main Collection System</p> Signup and view all the answers

    What is the purpose of a sewerage system?

    <p>To collect and convey wastewater to the treatment plant</p> Signup and view all the answers

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