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NPDES CLASS EXAM QUESTIONS AND CORRECT ANSWERS VERIFIED A+

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NPDES CLASS EXAM QUESTIONS AND CORRECT ANSWERS VERIFIED A+ Erosion - correct answers-is the process by which the land surface is worn away by the action of wind, water, and gravity. Sedimentation - correct answers-is the settling out of soil particles transported by water and wind. Soil erosion can be classified as 2 types. What are they? - correct answers-Wind and Water. What are the two sources of Soil erosion. - correct answers-Natural and Manmade Water erosion can be classified as two type of erosions. What are they? - correct answers-Overland and Stream/Channel erosion. Four process of overland erosion are? - correct answers-Splash, sheet, rill, and gully erosion. Four principle factors influencing soil erosion are? - correct answers-Soil characteristics, vegetative cover, topography, and climate. List three physical effect of erosion and sedimentation: - correct answers-Increased flooding reduced hydraulic capacity in rivers, and streams; increased maintenance of stormwater systems.; increased water treatments cost; and decreased recreational value. List three biological effect of erosion and sedimentation: - correct answers-Reduced light for aquatic plants; clogs fish gills; impairs spawning; disrupts food chain; blankets bottom, suppresses aquatic life; and disrupts ecosystem. Planning the development to fit the terrain using the particular: - correct answers-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. Perimeter Control Practices - correct answers-What you apply to protect the disturbed area from off-site runoff and to protect off-site areas from sediment damage. Erosion Control Practices - correct answers-What you apply to prevent excessive on-site damage. Keep runoff velocities _____ and _______ runoff on the site - correct answers-Low and retain When do you stabilize disturbed areas after final grading to prevent raindrop impacts from causing erosion. - correct answers-Immediately Implement a thorough _____ and _____(inspection) program as required in the Construction Generic Permit (CGP). - correct answers-maintenance and follow up

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Uploaded on: December 26, 2024
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NPDES CLASS EXAM QUESTIONS AND CORRECT ANS
fr fr fr fr fr fr

WERS VERIFIED A+ fr fr

Erosionfr-frcorrectfranswers-
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Sedimentationfr-frcorrectfranswers-isfrthefrsettlingfroutfroffrsoilfrparticlesfrtransportedfrbyfrwaterfrandfrwind.

Soilfrerosionfrcanfrbefrclassifiedfrasfr2frtypes.frWhatfrarefrthey?fr-frcorrectfranswers-WindfrandfrWater.

WhatfrarefrthefrtwofrsourcesfroffrSoilfrerosion.fr-frcorrectfranswers-NaturalfrandfrManmade

Waterfrerosionfrcanfrbefrclassifiedfrasfrtwofrtypefroffrerosions.frWhatfrarefrthey?fr-frcorrectfranswers-
OverlandfrandfrStream/Channelfrerosion.

Fourfrprocessfroffroverlandfrerosionfrare?fr-frcorrectfranswers-Splash,frsheet,frrill,frandfrgullyfrerosion.

Fourfrprinciplefrfactorsfrinfluencingfrsoilfrerosionfrare?fr-frcorrectfranswers-
Soilfrcharacteristics,frvegetativefrcover,frtopography,frandfrclimate.

Listfrthreefrphysicalfreffectfroffrerosionfrandfrsedimentation:fr-frcorrectfranswers-
Increasedfrfloodingfrreducedfrhydraulicfrcapacityfrinfrrivers,frandfrstreams;frincreasedfrmaintenancefroffrstorm
waterfrsystems.;frincreasedfrwaterfrtreatmentsfrcost;frandfrdecreasedfrrecreationalfrvalue.

Listfrthreefrbiologicalfreffectfroffrerosionfrandfrsedimentation:fr-frcorrectfranswers-
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Planningfrthefrdevelopmentfrtofrfitfrthefrterrainfrusingfrthefrparticular:fr-frcorrectfranswers-
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PerimeterfrControlfrPracticesfr-frcorrectfranswers-Whatfryoufrapplyfrtofrprotectfrthefrdisturbedfrareafrfromfroff-
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ErosionfrControlfrPracticesfr-frcorrectfranswers-Whatfryoufrapplyfrtofrpreventfrexcessivefron-sitefrdamage.

Keepfrrunofffrvelocitiesfr_____frandfr_______frrunofffronfrthefrsitefr-frcorrectfranswers-Lowfrandfrretain

Whenfrdofryoufrstabilizefrdisturbedfrareasfrafterfrfinalfrgradingfrtofrpreventfrraindropfrimpactsfrfromfrcausingfrer
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Implementfrafrthoroughfr_____frandfr_____(inspection)frprogramfrasfrrequiredfrinfrthefrConstructionfrGenericfr
Permitfr(CGP).fr-frcorrectfranswers-maintenancefrandfrfollowfrup

, Soilfrparticlesfrsmallerfrthanfr0.002frmmfrarefrclassifiedfrasfr____frandfralongfrwithfr____frarefrthefrtwofrsoilfrtypesf
rthatfrcausefrthefrmostfrerosion/turbidityfrproblemsfrinfrFloridafrandfrthefrWorld.fr-frcorrectfranswers-

clayfrandfrmuck

SoilsfrinfrthefrTypefrAfrhydrologicfrgroupfrhavefr____frinfiltrationfrratesfrandfr____frrunofffrpotentialfrevenfrwhenfr
thoroughlyfrwetted.fr-frcorrectfranswers-highfrandfrlow

SoilsfrinfrthefrTypefrDfrhydrologicfrgroupfrhavefrveryfr____frinfiltrationfrratesfrandfr____frrunofffrpotentialfrwhenfr
thoroughlyfrwetted.fr-frcorrectfranswers-lowfrandfrhigh

Whatfrisfrthefrrainfallfrerosionfrindex?fr-frcorrectfranswers-
ThefrrainfallfrerosionfrindexfrisfrthefronlyfrfactorfrinfrthefrUniversalfrSoilfrLossfrEquationfrwhichfrisfrbeyondfrthefrde
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Whatfrarefrthefrfactorsfrthatfrcanfrmostfreasilyfrbefrmanipulatedfrbyfrthefrdeveloper?fr-frcorrectfranswers-
lengthfr&frgradient,frandfrcoverfrfactor

ThefrRUSLEfrisfrusedfronfrourfrconstructionfrsitesfrtofrpredict______fr-frcorrectfranswers-SoilfrLoss

Stabilizefrdisturbedfrlandsfrimmediatelyfrtofrsavefrwhat?fr-frcorrectfranswers-Money

Whofrcanfryoufrcontactfrforfrafrsoilfrsurveyfrinformation?frFDOT,frFDEP,frWaterfrManagementfrDistrict,frMayor'sf
rOffice,frorfrNRCS.fr-frcorrectfranswers-NRCS

Whatfrarefrthefrfivefrsoilfrformingfrfactors?fr-frcorrectfranswers-
Climate,frtopography,frorganisms,frparentfrmaterial,frandfrtime.

Wastefrdisposalfrisfrafrproblemfrforfrthefrindividualfrworkersfrandfrsomefrsubcontractors,frbutfrit'sfrnofrbigfrdealfr(
Truefr/frFalse).fr-frcorrectfranswers-False

Truckfrwashingfrshouldfrbefrdonefrinfrafrdesignatedfrarea,frnotfrnearfrthefrperimeterfrcontrols.fr(Truefr/frFalse).fr-
frcorrectfranswers-True

Storagefroffrpaints,frsolvents,frcements,frpesticides,fracids,frorfrotherfrpotentiallyfrpollutingfrchemicalsfrisfrnofrbi
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Thefrpublicfrneedsfrtofrunderstandfrthatfrdustfrisfrjustfrafrnormalfrpartfroffrconstruction.fr(Truefr/frFalse).fr-
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Afrtemporaryfrgravelfrconstructionfrentrancefrmustfrextendfrthefrfullfrwidthfroffrthefrentrance.frItfrmustfrbefratfrle
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Maintenancefroffrafrtemporaryfrgravelfrconstructionfrentrancefrshouldfrbefrperformedfrwhenfrvoidfrspacesfrarefr
fullfroffr____fr-frcorrectfranswers-Sediment

Thefrmaximumfrdrainagefrareafrforfrafrsiltfrfencefrunderfrsheetfrflowfrconditionsfrisfr____fracrefrperfr100frfeetfroffr
barrierfrlength.fr-frcorrectfranswers-¼

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