Sedimentation and erosion control certification Test Questions With Solved Solutions.
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Course
Maryland E&S Certification
Institution
Maryland E&S Certification
Erosion - Answer is the process by which land surface is worn away by the action of wind, water, and gravity.
Sedimentation - Answer is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion - Answer wind , water
Water erosion can be class...
Sedimentation and erosion control
certification Test Questions With Solved
Solutions.
Erosion - Answer is the process by which land surface is worn away by the action of wind, water, and
gravity.
Sedimentation - Answer is the settling of soil particles
Soil erosion is classified as either ____ erosion or ____ erosion - Answer wind , water
Water erosion can be classified as either ______ erosion or _____ erosion - Answer overland , stream
Four processes of overland erosion - Answer splash erosion, sheet erosion, rill erosion, gully erosion
Four principle factors influencing soil erosion are - Answer soil characteristics, vegetative cover,
topography, climate
Physical effects of erosion and sedimentation - 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 - 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 - Answer extent,
duration
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 site - Answer low , retain
Stabilize disturbed areas ________ after final grading - Answer inmediately
Implement a thorough ____ and ____ (inspection) program - Answer maintenance, follow up
Type A soils have ___ infiltration rates and ___ runoff potential. Examples - Answer high, low (Sand)
Type D soils have _____ infiltration rates and _______ runoff potential. Examples - Answer low, high
(muck, clay)
Based on EPA guidance, FDEP has determined that ______ also meet the definition of construction
activities - Answer demolition
Any type of soil disturbance over 1 acre must get ______ permit - Answer CGP (Construction Generic
Permit)
A CGP is required for projects that disturb _____ or more acres of land - Answer 1
The CGP permit requires inspections how often? - Answer weekly and within 24 hours of the end of a
storm 1/2 inch or greater
A storm water event with a ______ hour break in between is still considered one storm water event -
Answer 4
The CGP permit requires sediment basins for areas _____ or more - Answer 10 acres
Any BPM that collects sediment must be cleaned before it reaches _____ of it's capacity - Answer 50%
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