Wastewater Collections Exam Questions
with Correct Answers 2025
AbatementW-WCORRECTWANSWERW-theWending,Wreduction,WorWlesseningWofWsomething
AcrylonitrileWButadieneWStyreneW(ABS)W-WCORRECTWANSWERW-
AcuteWhealthWeffectsW-WCORRECTWANSWERW-
HealthWeffectsWthatWdevelopWrapidly,WoftenWafterWexposureWtoWaWhazardousWsubstance.
aerobicW-WCORRECTWANSWERW-ProcessWthatWrequiresWoxygen
AnaerobicW-WCORRECTWANSWERW-ProcessWthatWdoesWnotWrequireWoxygen
AirWBindingW-WCORRECTWANSWERW-
TheWcloggingWofWaWfilter,Wpipe,WorWpumpWdueWtoWtheWpresenceWofWairWreleasedWfromWwater.WAirW
enteringWtheWfilterWmediaWisWharmfulWtoWbothWtheWfiltrationWandWbackwashWprocesses.WAirWcanW
preventWtheWpassageWofWwaterWduringWtheWfiltrationWprocessWandWcanWcauseWtheWlossWofWfilterW
mediaWduringWtheWbackwashWprocess.
airWblowerW-WCORRECTWANSWERW-aWdeviceWusedWtoWventilateWmanholesWandWliftWstations.
AIRWGAP,WDRAINAGEW-WCORRECTWANSWERW-
TheWverticalWdistanceWthatWwasteWtravelsWthroughWopenWairWbetweenWtheWwasteWpipeWandWtheWi
ndirectWwasteWreceptorWisW_________________
AirWPaddingW-WCORRECTWANSWERW-
PumpingWdryWairWintoWaWcontainerWtoWassistWwithWtheWwithdrawalWofWaWliquidWorWtoWforceWaWliqui
fiedWgasWsuchWasWchlorineWorWsulfurWdioxideWoutWofWaWcontainer.
, airWtestW-WCORRECTWANSWERW-aWmethodWofWinspectingWaWsewerWpipeWforWleaks.
alluvialWdepositsW-WCORRECTWANSWERW-SedimentaryWdepositsW(likeWaWdelta)WinWfreshWwater.
alternatingWcurrentW-WCORRECTWANSWERW-
AWflowWofWelectricWchargeWthatWregularlyWreversesWitsWdirection.
ambientW-WCORRECTWANSWERW-(adj.)WcompletelyWsurrounding,Wencompassing
AmperageW-WCORRECTWANSWERW-theWstrengthWofWanWelectricWcurrentWinWamperes.
angleWofWreposeW-WCORRECTWANSWERW-
theWsteepestWangleWatWwhichWlooseWmaterialWremainsWstationaryWwithoutWslidingWdownslope
annularWspaceW-WCORRECTWANSWERW-AWring-
shapedWspaceWlocatedWbetweenWtwoWcircularWobjects.WForWexample,WtheWspaceWbetweenWtheWo
utsideWofWaWpipeWlinerWandWtheWinsideWofWaWpipe.
anoxicW-WCORRECTWANSWERW-noWDOW(dissolvedWO2)WinWtheWwater
appurtenanceW-WCORRECTWANSWERW-
mainWstructureWtoWallowWitWtoWoperateWasWintended,WbutWnotWconsideredWmainWpartWofWstructur
e.
apronW-WCORRECTWANSWERW-bottomWofWtheWinsideWofWtheWmanhole.
aquifierW-WCORRECTWANSWERW-aWrockWlayerWthatWstoresWandWallowsWtheWflowWofWgroundWwater
with Correct Answers 2025
AbatementW-WCORRECTWANSWERW-theWending,Wreduction,WorWlesseningWofWsomething
AcrylonitrileWButadieneWStyreneW(ABS)W-WCORRECTWANSWERW-
AcuteWhealthWeffectsW-WCORRECTWANSWERW-
HealthWeffectsWthatWdevelopWrapidly,WoftenWafterWexposureWtoWaWhazardousWsubstance.
aerobicW-WCORRECTWANSWERW-ProcessWthatWrequiresWoxygen
AnaerobicW-WCORRECTWANSWERW-ProcessWthatWdoesWnotWrequireWoxygen
AirWBindingW-WCORRECTWANSWERW-
TheWcloggingWofWaWfilter,Wpipe,WorWpumpWdueWtoWtheWpresenceWofWairWreleasedWfromWwater.WAirW
enteringWtheWfilterWmediaWisWharmfulWtoWbothWtheWfiltrationWandWbackwashWprocesses.WAirWcanW
preventWtheWpassageWofWwaterWduringWtheWfiltrationWprocessWandWcanWcauseWtheWlossWofWfilterW
mediaWduringWtheWbackwashWprocess.
airWblowerW-WCORRECTWANSWERW-aWdeviceWusedWtoWventilateWmanholesWandWliftWstations.
AIRWGAP,WDRAINAGEW-WCORRECTWANSWERW-
TheWverticalWdistanceWthatWwasteWtravelsWthroughWopenWairWbetweenWtheWwasteWpipeWandWtheWi
ndirectWwasteWreceptorWisW_________________
AirWPaddingW-WCORRECTWANSWERW-
PumpingWdryWairWintoWaWcontainerWtoWassistWwithWtheWwithdrawalWofWaWliquidWorWtoWforceWaWliqui
fiedWgasWsuchWasWchlorineWorWsulfurWdioxideWoutWofWaWcontainer.
, airWtestW-WCORRECTWANSWERW-aWmethodWofWinspectingWaWsewerWpipeWforWleaks.
alluvialWdepositsW-WCORRECTWANSWERW-SedimentaryWdepositsW(likeWaWdelta)WinWfreshWwater.
alternatingWcurrentW-WCORRECTWANSWERW-
AWflowWofWelectricWchargeWthatWregularlyWreversesWitsWdirection.
ambientW-WCORRECTWANSWERW-(adj.)WcompletelyWsurrounding,Wencompassing
AmperageW-WCORRECTWANSWERW-theWstrengthWofWanWelectricWcurrentWinWamperes.
angleWofWreposeW-WCORRECTWANSWERW-
theWsteepestWangleWatWwhichWlooseWmaterialWremainsWstationaryWwithoutWslidingWdownslope
annularWspaceW-WCORRECTWANSWERW-AWring-
shapedWspaceWlocatedWbetweenWtwoWcircularWobjects.WForWexample,WtheWspaceWbetweenWtheWo
utsideWofWaWpipeWlinerWandWtheWinsideWofWaWpipe.
anoxicW-WCORRECTWANSWERW-noWDOW(dissolvedWO2)WinWtheWwater
appurtenanceW-WCORRECTWANSWERW-
mainWstructureWtoWallowWitWtoWoperateWasWintended,WbutWnotWconsideredWmainWpartWofWstructur
e.
apronW-WCORRECTWANSWERW-bottomWofWtheWinsideWofWtheWmanhole.
aquifierW-WCORRECTWANSWERW-aWrockWlayerWthatWstoresWandWallowsWtheWflowWofWgroundWwater