VIRGINIA EROSION AND SEDIMENT CONTROL INSPECTOR EXAM QUESTIONS WITH CORRECT

VIRGINIA EROSION AND SEDIMENT CONTROL
INSPECTOR EXAM QUESTIONS WITH
CORRECT ANSWERS GRADED A+ FOR 2025-
2026 ASSURED EXCEL!!

ErosiongImpactgAreag-ggCORRECTgANSWERSareagofglandgNOTgASSOCIATEDgwithgagcurrentgland-
gdisturbinggactivitygbutgcontributinggtogsedimentation




Howgmuchgmoregsoilglossgoccursgfromgconstructiongsitesgversusgnaturalgsoilgerosiongrates?gAgricult
uralgland?g-ggCORRECTgANSWERS1000gtimesgmoregthangthegaveragegnaturalgsoilgerosiongrate.g

20gtimesgmoregthangagriculturalgland.



Whatgareg4gerosivegforces?g-ggCORRECTgANSWERSwind

water

ice

gravity



Namegandgdefineg5gstagesgofgsoilgerosion.g-ggCORRECTgANSWERSRaindrop-
g90%gofgtotalgsoilgerosion



Sheet-
gthegsoilsgabilitygtoginfiltrategwatergisgexceededgandgitgrunsgingsheetgflowg(aboutg100gftgbeforegconce


ntrating),ghowgsedimentggetsgtransported

Rill-gwhengsheetgflowgbeginsgtogconcentrate,gvelocitygandgturbulencegincrease,gbutgeasilygrepaired

Gully-whengrillsgconverge,glargergthangrillgandgusuallygrequiresgheavygequipmentgtogrepair

Channel-
glargegvolumegofgwatergincreasesgtheggully,gverticalgsidesgaregobservedgorgforgangexistinggstreambe


dgwhengstructuralgintegritygisgdestroyed

, Whatgaregthegfactorsgofgrainfallgimpact?g-
ggCORRECTgANSWERSKineticgenergygisgdependentgongrainfallgamount/intensity,graindropgdiameter,


gandgraindropgvelocity




Whatgaregtwogdamaginggeffectsgofgrainfallgimpact?g-
ggCORRECTgANSWERSCausesgsoilgcompressiongwhichgreducesginfiltration



MainlygoccursgingMay-Septgwhichgisgwhengdisturbancegisgmostgactive



4gfactorsginfluencinggerosiong-ggCORRECTgANSWERSclimateg

groundcoverg(influencedgbyghumans)

soilgproperties

topographyg(influencedgbyghumans)



Whatgpercentgreductiongoccursgfromgvegetativegcover?g-ggCORRECTgANSWERS90-99%



Whatgaregsoilgproperties?g-ggCORRECTgANSWERSStructureg(particlesgadhere)

Textureg(size)

Bulkgdensityg(howgtightlygpacked)

%gorganicgmatter

infiltrationg(intogsoil)

permeabilityg(throughgsoil)



WhatgisgKgfactor?g-ggCORRECTgANSWERSthegsusceptibilitygofgagparticulargsoilgtogerosion



developedgbygpermeability,gsoilgtexture,gsoilgstructure,gandgorganicgmattergcontent



lowgKgfactorgisglowgerodibilityg(0-0.23),gandghighgisg(0.37g+)