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Stormwater test 1 and 2 questions and answers
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Stormwater test 1 and 2 questions andanswers
Test ii1 iiQ ii: iiIn iiwhat iicondition iidoes iirunoff iitypically iihave iithe iihighest iivelocity ii-
iiAnswers ii-Channel iiFlow
Q ii: iiWhat iikind iiof iiflow iitypically iioccurs iijust iias iirunoff iibegins ii? ii- iiAnswers ii-Sheet
iiFlow
Q ii: iiThe iifaster iithe iiTime iiof iiConcentration ii( iiTc ii) ii, iithe iilower iithe iiintensity ii. ii-
iiAnswers ii-False
Q ii: iiWhich iislopes iitend iito iierode iifaster ii, iicut iior iifill iislopes ii? ii- iiAnswers ii-Fill iislopes
Q ii: iiThe iigreater iithe iicontact iia iiwater iiflow iihas iiwith iithe iiground iisurface ii, iithe iislower
iiit iiwill iitend iito iiflow ii: iitherefore iishallow iiflows iitypically iitravel iislower iithan iideep iiflows
iiover iisimilar iisurfaces iiand iiat iisimilar iislopes ii- iiAnswers ii-True
Q ii: iiA iislope iidescribed iias iihaving iiratio iiof ii1 iiH ii: ii1 iiV iiis iiequivalent iito iislope iigradient
ii- iiAnswers ii-100 iipercent
Q ii: iiHydroCAD iiallows iimore iidrafting iiflexibility iithan iiAutoCAD iisoftware ii- iiAnswers ii-
False
Q ii: iiThe ii760 iicontour iimakes iia iiV ii- iishaped iibend iiaround iia iispot iielevation iimarked
ii746.3 ii. iiLacking iifurther iiinformation ii, iithe iilandform iithus iirepresented iican iibest iibe
iidescribed iias iia ii... ii- iiAnswers ii-Ridge
Q ii: iiHow iimany iisquare iifeet iiin iian iiacre ii? ii- iiAnswers ii-43,560
Q ii: iiStream iibase iiflow iiis iiprimarily iisupported iiby iigroundwater ii. ii- iiAnswers ii-True
Q ii: iiWhat iiis iithe iiaverage iiweighted iiC ii- iivalues iifor iia iiwatershed iiwith iithe iifollowing
iiareas iiand iirunoff iicoefficients ii? ii( ii34 iiacres iiat ii.33 ii, ii26 iiacres iiat ii23 ii, ii23 iiacres
iiat.17 ii, iiand ii17 iiacres iiat ii.95 ii) ii- iiAnswers ii-0.37
Q ii: iiThe iiend iipoints iiof iiswales ii( iiswale iioutlet ii) iishould iitypically iibe iiset iiat iiexisting
iigrade ii. ii- iiAnswers ii-True
Q ii: iiGiven iiequal iilengths iiand iislope iiof iiflow ii, iioverland iiflow iiis iitypically iifaster iithan
iichannel iiflow ii. ii- iiAnswers ii-False
, Q ii: iiInfiltration iiis iithe iiprimary iihydraulic iiprocess iisupporting iistream iibase iiflow ii. ii-
iiAnswers ii-True
Q ii: iiA iireasonable iiminimum iislope iifor iireliably iidraining iiturf iiarea iiis ii... ii- iiAnswers ii-:
ii2 iipercent
Q ii: iiA iislope iiof ii15 ii% iiis iiequal iito iithe iislope iiratio iiof iiHorizontal iifeet iito ii1 iiVertical
iifoot ii? ii- iiAnswers ii-6.67 iidetermining
Q ii: iiWhen iidetermining ii( iidrawing ii) iithe iihydraulic iilength iiline ii, iiyou iishould iialways
iistart iifrom iithe iiwatershed iioutlet iipoint iiand iiwork iiyour iiway iiuphill ii. ii- iiAnswers ii-False
Drawing iithe iihydraulic iilength iiline iialong iithe iiwatershed iiboundary iifrom iithe iihigh
iipoint iithe iiwatershed iito iithe iioutlet iipoint iiis iia iireasonable iimethod iifor iifinding iithe
iilongest iioverland iiflow iipath ii, ii- iiAnswers ii-False
Q ii: iiAs iimeasured iion iia iimap iialong iithe iicenterline iiof iia iiconsistently iidescending
iiroadway ii, iithe ii426 iicontour iiis ii135 ii- iifeet iiaway iifrom iithe ii420 iicontour ii. iiThe
iigradient iiof iithe iiroad iiis iipercent ii. ii- iiAnswers ii-4.44
Q ii: iiBased iion iithe iiline iitypes iiwhich iione iibest iirepresents iian iiexisting iiindex iicontour
iion iia iigrading iiplan ii? ii- iiAnswers ii-A ii: iiB ii( iiBold ii, iidashed iiline ii)
Q ii: iiWhen iidelineating iia iiwatershed iiboundary iiyou iishould iialways iistart iiat iithe iioutlet
iipoint iiand iidraw iigoing iiuphill ii. ii- iiAnswers ii-. iiTrue
Q ii: iiThe iimaximum iidesign iislope iifor iimowed iiturf iiis ii? ii- iiAnswers ii-33.33
Q ii: iiStormwater iirunoff iithat iiflows iiinto iia iistreet iidrainage iiinlet iiis iitreated iias iia iiwaste
iitreatment iiplant iiprior iito iiits iirelease iiinto iisurface iiwaters iisuch iias iia iistream iior
iiwetland ii. ii- iiAnswers ii-False
Q ii: iiAn iiinvestor ii/ iideveloper iiis iicomparing ii10 ii- iiacre iisites iifor iia iismall iiretail iifacility
iiwith iia iistandard iiasphalt iiparking iilot ii. iiBoth iisites iislope iiat ii4 ii% iiand iiare iicurrently
iiwooded ii. iiThe iiColumbus ii, iiGA iisite iiis iion iia iisandy iisoil iiand iithe iiNewnan ii, iiGA iisite
iiis iion iia iiclayey iisoil ii. iiWhich iisite iiis iimost iilikely iito iisee iithe iigreatest iipercent
iiincrease iiin iirunoff iidue iito iithe iiproposed iidevelopment ii? ii- iiAnswers ii-A ii: iiColumbus ii,
iiGA iisite ii( iibc iisand iidrains iifaster iithan iiclay
Q ii: iiWhich iiof iithese iimanagement iitechniques iibest iirestores iinatural iiecological
iifunction iiin iithe iilandscape ii? ii- iiAnswers ii-A ii: iiStormwater iiinfiltration
Q ii: iiFrom iithe iifollowing ii4 iilines ii, iiwhich iione iiwould iibest iirepresent iia iiproposed
iiintermediate iicontour iion iia iigrading iiplan ii? ii- iiAnswers ii-A ii: iiC ii( iithin ii, iisolid iiline ii)
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