SEDIMENTATION AND EROSION CONTROL
CERTIFICATION EXAM WITH ALL CORRECT & 100%
VERIFIED ANSWERS|ALREADY GRADED A+
Erosion ✔Correct Answer-is the process by which land surface is worn away by the action of wind,
water, and gravity.
Sedimentation ✔Correct Answer-is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion ✔Correct Answer-wind , water
Water erosion can be classified as either ______ erosion or _____ erosion ✔Correct Answer-
overland , stream
Four processes of overland erosion ✔Correct Answer-splash erosion, sheet erosion, rill erosion,
gully erosion
Four principle factors influencing soil erosion are ✔Correct Answer-soil characteristics, vegetative
cover, topography, climate
Physical effects of erosion and sedimentation ✔Correct Answer-increase flooding, reduce hydraulic
capacity, increased maintenance of storm water systems, increased water treatment costs,
decreased recreational value
Biological effects of erosion and sedimentation ✔Correct Answer-reduced light for aquatic plants,
clogs fish gills, impairs spawning, disrupts food chain, blankets bottom, disrupts ecosystem
Minimize the _______ of the area exposed at one time and the ______ of exposure ✔Correct
Answer-extent, duration
Apply __________ practices to protect the disturbed area from off-site runoff and to protect off-site
areas from sediment damage ✔Correct Answer-perimeter control
Apply ________ practices to prevent excessive on site damage ✔Correct Answer-erosion control
Keep runoff velocities _____ and _____ runoff on site ✔Correct Answer-low , retain
Stabilize disturbed areas ________ after final grading ✔Correct Answer-inmediately
Implement a thorough ____ and ____ (inspection) program ✔Correct Answer-maintenance, follow
up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples ✔Correct Answer-high,
low (Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples ✔Correct
Answer-low, high (muck, clay)
CERTIFICATION EXAM WITH ALL CORRECT & 100%
VERIFIED ANSWERS|ALREADY GRADED A+
Erosion ✔Correct Answer-is the process by which land surface is worn away by the action of wind,
water, and gravity.
Sedimentation ✔Correct Answer-is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion ✔Correct Answer-wind , water
Water erosion can be classified as either ______ erosion or _____ erosion ✔Correct Answer-
overland , stream
Four processes of overland erosion ✔Correct Answer-splash erosion, sheet erosion, rill erosion,
gully erosion
Four principle factors influencing soil erosion are ✔Correct Answer-soil characteristics, vegetative
cover, topography, climate
Physical effects of erosion and sedimentation ✔Correct Answer-increase flooding, reduce hydraulic
capacity, increased maintenance of storm water systems, increased water treatment costs,
decreased recreational value
Biological effects of erosion and sedimentation ✔Correct Answer-reduced light for aquatic plants,
clogs fish gills, impairs spawning, disrupts food chain, blankets bottom, disrupts ecosystem
Minimize the _______ of the area exposed at one time and the ______ of exposure ✔Correct
Answer-extent, duration
Apply __________ practices to protect the disturbed area from off-site runoff and to protect off-site
areas from sediment damage ✔Correct Answer-perimeter control
Apply ________ practices to prevent excessive on site damage ✔Correct Answer-erosion control
Keep runoff velocities _____ and _____ runoff on site ✔Correct Answer-low , retain
Stabilize disturbed areas ________ after final grading ✔Correct Answer-inmediately
Implement a thorough ____ and ____ (inspection) program ✔Correct Answer-maintenance, follow
up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples ✔Correct Answer-high,
low (Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples ✔Correct
Answer-low, high (muck, clay)
