Dairy Manure Step-Dam Gutter Design
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Questions and Answers

What is the recommended gravel size range for the bed in the wastewater treatment system?

  • 3 mm - 32 mm (correct)
  • 2 mm - 40 mm
  • 5 mm - 35 mm
  • 50 mm - 100 mm

What is the recommended depth range for the bed in the wastewater treatment system?

  • 0.45 m - 1 m (correct)
  • 0.3 m - 0.8 m
  • 0.6 m - 1.2 m
  • 0.2 m - 1.5 m

What is the recommended water level range in relation to the top of the medium for the wastewater treatment system?

  • 50 mm above the top of the medium
  • On par with the top of the medium
  • 75 mm - 150 mm below the top of the medium (correct)
  • 200 mm below the top of the medium

What should be provided with the inlet in the wastewater treatment system?

<p>Gated pipe, slotted pipe, or troughs with V-notch weirs (B)</p> Signup and view all the answers

What is the recommended detention time range for the wastewater treatment system?

<p>3 days – 4 days (D)</p> Signup and view all the answers

The bottom and sides of the holding pond should be permeable to allow ground-water contamination.

<p>False (B)</p> Signup and view all the answers

The width-to-length ratio for filter bed should be 1:2 – 1:5.

<p>False (B)</p> Signup and view all the answers

The recommended effective diameter for sand as filter medium is at least 0.5 mm.

<p>False (B)</p> Signup and view all the answers

The backwashing provision is not necessary for cleaning the material within the filter effectively.

<p>False (B)</p> Signup and view all the answers

The bank of the holding pond should have a steeper slope not exceeding 3:1.

<p>True (A)</p> Signup and view all the answers

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