Sedimentation Control Inspector) Final Exam 2025-
2026 – Real Questions with Correct Answers
___________ is the process by which the land surface is worn away by the action
of wind, water, and gravity.
erosion
___________ is the settling out of soil particles transported by water and wind.
sedimentation
soil erosion can be classified as either _________ erosion or ________ erosion,
and the sources can be either __________ or ____________
wind; water; natural; manmade
water erosion can be classified as either ______ erosion or _____________ and
____________ erosion.
overland; stream; channel
,four processes of overland erosion are?
splash or rain drop erosion, sheet erosion, rill erosion, and gully erosion
four principle factors influencing soil erosion are?
soil characteristics, vegetative cover, topography, and climate
list three physical effects of erosion and sedimentation:
increased flooding reduced hydraulic capacity in rivers, streams, channels,
reservoirs; increased maintenance of stormwater systems; increased water
treatment costs; and decreased recreational value
list three biological effects of erosion and sedimentation
*reduced light for aquatic plants
*clogs fish gills
*impairs spawning
*disrupts food chain
*blankets bottom, suppresses aquatic life
*disrupts ecosystem
,planning the development to fit the terrain using the particular:
topography; soils; drainage patterns; natural vegetation of the site; and minimize
the extent of the area exposed at one time and the duration of exposure
apply _____________ practices to protect the disturbed area from off-site runoff
and to protect off-site areas from sediment damage
perimeter control
apply _________ practices to prevent excessive on-site damage
erosion control
Keep runoff velocities ___ and _____ runoff on the site.
low; retain
it is very important to stabilize disturbed areas ________________ after final
grading to prevent raindrop impacts from causing erosion
immediately
, implement a thorough ______________ and _____________ program as required
in the Construction Generic Permit (CGP).
maintenance; follow up
Chapter 2 - Soils
soil particles smaller than 0.002 mm are classified as ______ and _______ are the
two soil types that cause the most erosion/turbidity problems in Florida and the
Word
clay; muck
Soils in the Type A hydrologic group have _________ infiltration rate and
_________ runoff potential even when thoroughly wetted
high; low
Soils in the Type D hydrologic group have ___________ infiltration rates and
_______ runoff potential when thoroughly wetted
low; high