OSSF DR TEST PRACTICE Questions and Answers 2024/2025
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Course
OSSF
Institution
OSSF
_____ and ________ soil textural classes are always unsuitable for standard absorptive
OSSF
class IA and IV
List each of the major soil horizons
surface soil A, surface soil B, and parent material
_____________ is a term describing the ability of water to migrate through a soil profil...
Figure the area of a lot that measures 60ft by 280ft
16,800sqft ,0.39 acres
A disposal option that might be considered in a clay soil would be a ________.
drip or spray irrigation
The primary treatment device providing the least or poorest treatment of domestic
wastewater would be _______.
septic tank
Nitrogen or nitrate removal in soil occurs by _________.
vegetation uptake
The factors influencing the survival of bacteria in soil are _______.
moisture, temperature, pH, and organic matter.
Physical removal of bacteria by straining occurs when _______.
the bacteria are larger than the pore openings in the soil
A solid that can be filtered out of the wastewater is a _________.
suspended solid
Which of the following describes domestic wastewater as it leaves a home?
fresh, light in color, has dissolved oxygen
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