10 Questions
What is the recommended gravel size range for the bed in the wastewater treatment system?
3 mm - 32 mm
What is the recommended depth range for the bed in the wastewater treatment system?
0.45 m - 1 m
What is the recommended water level range in relation to the top of the medium for the wastewater treatment system?
75 mm - 150 mm below the top of the medium
What should be provided with the inlet in the wastewater treatment system?
Gated pipe, slotted pipe, or troughs with V-notch weirs
What is the recommended detention time range for the wastewater treatment system?
3 days – 4 days
The bottom and sides of the holding pond should be permeable to allow ground-water contamination.
False
The width-to-length ratio for filter bed should be 1:2 – 1:5.
False
The recommended effective diameter for sand as filter medium is at least 0.5 mm.
False
The backwashing provision is not necessary for cleaning the material within the filter effectively.
False
The bank of the holding pond should have a steeper slope not exceeding 3:1.
True
This quiz covers the design principles for constructing a step-dam gutter system to hold back manure in a flat-bottomed channel, including dimensions, slope, and other relevant details.
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