VA DEQ Erosion and Sediment Control
for Construction Sites exams with
questions and answers rated a+
guaranteed pass
Erosionm-mCORRECTmANSWERSmErosivemforcesmofmwater,mwind,mice,mandmgravity
AcceleratedmErosionmfrommLDAsm-mCORRECTmANSWERSmaccountsmform70%mofmerosion
GeologicmErosionm-mCORRECTmANSWERSmAccountsmform30%mofmerosion
ThemmainmobjectivemofmESCmprogramsmismtom-mCORRECTmANSWERSmminimizemacceleratedmerosion
Landmclearing,mgrading,mandmcutmandmfillmoperationsm-
mCORRECTmANSWERSmleavesmsoilmvulnerablemtomerosion
StormwatermRunoffm-
mCORRECTmANSWERSmismrainwatermmovingmoverland.mWhenmitmismnotmconcentratedminmamchannelm
ormpipe,mitmismconsideredmamnonpointmsourcempollution
Aftermagriculture,mStormwatermRunoffmism-
mCORRECTmANSWERSmthemmostmfrequentmpollutantmsource.mItmismcarryingmsedimentmloadsm10-
20xmasmmuchmasmcroplandmandm100-1000xmmoremthanmgrasslandmandmforest.
PollutantsmofmConcernm(POC)minmthemBaymincludem-
mCORRECTmANSWERSmSEDIMENT,mnitrogen,mandmphosphorus
5mStagesmofmSoilmErosionm(water)m1.mRaindropm-mCORRECTmANSWERSm1.mraindropm-
mkineticm(diameter,mvelocity),mchurnmsurface,msealsmpores,m90%
, 5mStagesmofmSoilmErosionm(water)m2.mSheetm-mCORRECTmANSWERSm2.msheetm-
mshallow,mtransportsmsedimentmdisturbedmbymraindrops
5mStagesmofmSoilmErosionm(water)m3.mRillm-mCORRECTmANSWERSm3.mRillm-
mconcentratedmhighermvelocitymandmturbulenceminmlowmspotsm(topographic)
5mStagesmofmSoilmErosionm(water)m4.mGullym-mCORRECTmANSWERSm4.mGullym-
mconvergedmrills,mmaymrequiremheavymequipmentmtomrepair
5mStagesmofmSoilmErosionm(water)m5.mChannelm-mCORRECTmANSWERSm5.mChannelm-
menlargedmgulliesmormexistingmstreambanksmdestroyedmbymflow
FourmFactorsmInfluencingmErodibilitym-m1.mClimatem-
mCORRECTmANSWERSmWintermrains,mlastmformhours,msmallermraindrops.
Summermrains,massociatedmwithmthunderstorms,mcanmbemminutesmlong,mbiggermraindrops.
Temperature,mfreezingmcanmdestroymsoilmstructure,mmoremloosemparticles.
Hotmtempsmcanmbakemthemsoil,mdryingmitmout,mdestroysmstructure,mandmcanmkillmplants.
FourmFactorsmInfluencingmErodibilitym2.mSoilmStructurem-
mCORRECTmANSWERSmSoilmstructuremismmademupmofmseveralmfactors:
Soilmtexture,mparticlemsize,mbulkmdensity,m%morganicmmatter,minfiltrationmrate,mandmpermeability.
Erodibilitymismhighestminmsoilsmwithmhighmsiltmandmverymfinemsandmcontent
for Construction Sites exams with
questions and answers rated a+
guaranteed pass
Erosionm-mCORRECTmANSWERSmErosivemforcesmofmwater,mwind,mice,mandmgravity
AcceleratedmErosionmfrommLDAsm-mCORRECTmANSWERSmaccountsmform70%mofmerosion
GeologicmErosionm-mCORRECTmANSWERSmAccountsmform30%mofmerosion
ThemmainmobjectivemofmESCmprogramsmismtom-mCORRECTmANSWERSmminimizemacceleratedmerosion
Landmclearing,mgrading,mandmcutmandmfillmoperationsm-
mCORRECTmANSWERSmleavesmsoilmvulnerablemtomerosion
StormwatermRunoffm-
mCORRECTmANSWERSmismrainwatermmovingmoverland.mWhenmitmismnotmconcentratedminmamchannelm
ormpipe,mitmismconsideredmamnonpointmsourcempollution
Aftermagriculture,mStormwatermRunoffmism-
mCORRECTmANSWERSmthemmostmfrequentmpollutantmsource.mItmismcarryingmsedimentmloadsm10-
20xmasmmuchmasmcroplandmandm100-1000xmmoremthanmgrasslandmandmforest.
PollutantsmofmConcernm(POC)minmthemBaymincludem-
mCORRECTmANSWERSmSEDIMENT,mnitrogen,mandmphosphorus
5mStagesmofmSoilmErosionm(water)m1.mRaindropm-mCORRECTmANSWERSm1.mraindropm-
mkineticm(diameter,mvelocity),mchurnmsurface,msealsmpores,m90%
, 5mStagesmofmSoilmErosionm(water)m2.mSheetm-mCORRECTmANSWERSm2.msheetm-
mshallow,mtransportsmsedimentmdisturbedmbymraindrops
5mStagesmofmSoilmErosionm(water)m3.mRillm-mCORRECTmANSWERSm3.mRillm-
mconcentratedmhighermvelocitymandmturbulenceminmlowmspotsm(topographic)
5mStagesmofmSoilmErosionm(water)m4.mGullym-mCORRECTmANSWERSm4.mGullym-
mconvergedmrills,mmaymrequiremheavymequipmentmtomrepair
5mStagesmofmSoilmErosionm(water)m5.mChannelm-mCORRECTmANSWERSm5.mChannelm-
menlargedmgulliesmormexistingmstreambanksmdestroyedmbymflow
FourmFactorsmInfluencingmErodibilitym-m1.mClimatem-
mCORRECTmANSWERSmWintermrains,mlastmformhours,msmallermraindrops.
Summermrains,massociatedmwithmthunderstorms,mcanmbemminutesmlong,mbiggermraindrops.
Temperature,mfreezingmcanmdestroymsoilmstructure,mmoremloosemparticles.
Hotmtempsmcanmbakemthemsoil,mdryingmitmout,mdestroysmstructure,mandmcanmkillmplants.
FourmFactorsmInfluencingmErodibilitym2.mSoilmStructurem-
mCORRECTmANSWERSmSoilmstructuremismmademupmofmseveralmfactors:
Soilmtexture,mparticlemsize,mbulkmdensity,m%morganicmmatter,minfiltrationmrate,mandmpermeability.
Erodibilitymismhighestminmsoilsmwithmhighmsiltmandmverymfinemsandmcontent