SEDIMENT AND EROSION CONTROL FINAL
PAPER 2026 EXAM
◉ the settling out of soil particles transported by water and wind.
Answer: Sedementation
◉ water erosion can be classified as --- erosion, --- or ---. Answer:
overland, stream, channel
◉ four processes of overland erosion. Answer: rain, sheet, rill, gully
◉ four principle factors influencing soil erosion. Answer: soil,
vegetative, climate, topography
◉ apply --- practices to protect the disturbed area from off-site
runoff and to protect off-site areas from sediment damage. Answer:
perimeter control
◉ apply _____ practices to prevent excessive on site damage. Answer:
erosion control
, ◉ Keep runoff velocities ___ and _____ runoff on the site.. Answer: low
and retain
◉ stabilize disturbed areas ____ after final grading to prevent
erosion. Answer: immediately
◉ Implement a thorough _____ and _____ (inspection) program as
required in the Construction Generic Permit (CGP). Answer:
maintenance and follow up
◉ soil particles smaller than 0.002mm are classified as ___ and ___.
Answer: clay and muck
◉ soil types that cause the most erosion/turbidity problems.
Answer: clay and muck
◉ Type A soils have ___ infiltration rates and ___ runoff potential
when wetted. Answer: high, low
◉ Type D soils have ___ infiltration rates and ___ runoff potential
when wetted. Answer: low, high
(these are mucks and clays)