WasteWater certification exam questions|
tr tr tr tr
Wastewater C License Florida tr tr tr
Thetrfirsttrsteptrintrmaintenancetrstafftrshouldtrtaketrintrproperlytrlockingtrandtrtaggingtrouttratrpiecetroftrequipme
nttristrtotr-trcorrecttranswers-alerttrthetroperatortrontrduty
Whentrworkingtrintrantrareatrwithtrtwotrortrmoretrfloortrcoverings,trbetrsuretrthattrtheytraretralwaystr-
trcorrecttranswers-Securedtrtogether
Whentrmanuallytrliftingtranytrobjecttrbetrsuretrtotr-trcorrecttranswers-
keeptrittrclosetrtotryourtrbodytrandtrusetrlegtrstrength
Oxygentrdeficiencytrbecomestratrconcerntrwhentrthetroxygentrleveltrintratrconfinedtrspacetristrlesstrthantr-
trcorrecttranswers-19.5%
Whattrprovidestrsafetytrinformationtrfortrpotentiallytrhazardoustrortrtoxictrmaterials?tr-trcorrecttranswers-
MSDStrMaterialtrsafetytrDatatrSheet
Thetrthresholdtrlimittrvaluetrconcentrationtrfortrchlorinetrvaportristr-trcorrecttranswers-0.5trppm
Whentrworkingtrintrconfinedtrspacestrwheretrflammabletrgasestrmaytrbetrpresent,trusetronlytrtoolstrmadetroftr-
trcorrecttranswers-atrnon-sparkingtralloy
Intradditiontrtotrthetrworkertrenteringtratrconfinedtrspace,trwhattristrthetrminimumtrnumbertroftrpeopletrrequired
trtotrbetrpresenttrduringtratrconfinedtrspacetrentry?tr-trcorrecttranswers-1
Hearingtrprotectiontrmusttrbetrmadetravailabletrtotralltremployeestrexposedtrtotrnoisetrlevelstrabovetr-
trcorrecttranswers-85trdecibels,traveragedtrovertr8trworkingtrhours
Recommendedtrpersonaltrhygienetrpracticestrtotrminimizetrthetrrisktroftrbeingtrinfectedtrbytrwastewatertrpatho
genstrincludetr-trcorrecttranswers-changingtrouttroftryourtrworktrclothestrandtrshoweringtrbeforetrleavingtrwork
Whentrusingtrprotabletrelectrictrtoolstrintrdamptrareastrortraroundtrstandingtrwater,trbetrsuretrtotrplugtrthemtrinto
tratr-trcorrecttranswers-groundtrfaulttrcircuittrinterrupter
Youtraretrthetroperator-on-
duty.trThetralarmtrfortrthetrfiretrdetectortrintrthetrBelttrfiltertrpresstrcontroltrroomtrgoestroff.trwhattrtypetroftrfiretrex
tinguishertrwouldtryoutrtaketrtotrrespondtrtotrthistralarm?tr-trcorrecttranswers-ClasstrC`
Intrconfinedtrspacetrentry,trLFLtrstandstrfortr-trcorrecttranswers-Lowertrflammabilitytrlimit
Whentrmixingtrdrytrsodiumtrhydroxidetrandtrwatertrintrantrenclosedtrvesseltrortrarea,trbetrsuretrthattr-
trcorrecttranswers-thetrvesseltrortrareatristrproperlytrvented
Personneltrshouldtrnottrworktralonetrontrenergizedtrequipment,trfortrexample,tratrmagnetictrstarter,trthattropera
testrattrortrabovetr-trcorrecttranswers-480trvolts.trIttristrconsideredtrlethaltranytramounttrabouttrthis.
Whichtroftrthetrfollowingtrhazardoustrchemicalstrintratrhydrocarbon?trMethane.trPhosphorictracid.trSodiumtrhyd
roxide.trFerrictrchloride.tr-trcorrecttranswers-Methane.
Pulmonarytrcapacitytrteststraretrrequiredtrbeforetroperatorstrcantrbetrclearedtrfortrusingtrrespiratorytrequipmen
t.trThesetrteststrshouldtrbetrperformedtrattratrminimumtroftroncetreverytr-trcorrecttranswers-3tryears
Accordingtrtotrarticletr250troftrthetrU.S.trNationaltrElectrictrCodetr(NEC),trwhattrcolortrshouldtrgreentrwirestrbe?tr-
trcorrecttranswers-Green.
Iftryourtr910trkgtr(1trton)trchlorinetrcylandertristrleaking,trwhattrtypetroftrchlorinetrinstitutetrrepairtrkittrshouldtrbetr
used?tr-trcorrecttranswers-TypetrAtristrfortr70trkgtr(150trlbs)
TypetrBtristrfortr1trton
TypetrCtristrfortrrailtrcars
, Iftryourtrfacilitytrstorestr_______trortrmoretrchlorine,tryoutrmusttrdeveloptratrRisktrManagementtrProgramtrintrco
mpliancetrwithtrthetrU.S.trEPA'strChemicaltrAccidentaltrReleasetrPreventiontrRegulations.tr-trcorrecttranswers-
1140trkgtr(2500trlb)
ConventionaltractivatedtrsludgetrsystemstrtypicallytroperatetrwithtratrDOtrrangetroftr-trcorrecttranswers-2-5trmg/l
Largetrdebristr(sticks,trrocks,trect)trlargetrfloatingtrsolids,trandtrfibroustrmaterstr(rags,trstrings,trcloth,tretc.)traretrc
ategorizedtrastr-trcorrecttranswers-
Screenings.trThistrmaterialtristrremovedtrpriortrtotrpumpstrtotrpreventtrdamage.
Pumpstraretroftentrrequiredtrtotrbringtrwastewatertrintotratrtreatmenttrplant.trWhattrtypestroftrpumpstraretrtypic
allytrusedtrtotrlifttrinfluenttrwastewater?tr-trcorrecttranswers-
Centrifugaltrpumpstraretrprimarilytrusedtrtotrbringtrintrwastewater,trpositivetrdisplacementtrpumpstraretrusedtrto
trtransporttrsludge.
Thetrtimetrittrtakestrfortratrunittrvolumetroftrwastewatertrtotrpasstrentirelytrthroughtratrprimarytrclarifiertristrcalledtr
-trcorrecttranswers-detentiontrtime.
Aftertrchlorine,trwhattristrthetrmosttrcommontreffluenttrwastewatertrdisinfectiontrtechniquetrortragenttrusedtrintr
thetrU.S.trtoday?tr-trcorrecttranswers-Ultraviolettrradiation.trDuetrtotrfewertrsafetytrconcerns
ThetrBODtrloadingtrratetrdividedtrbytrthetrquantitytroftrmicroorganismtrpresenttrintrthetrbiologicaltrreactorstr(aer
ationtrtanks)tristrknowntrastr-trcorrecttranswers-thetrfoodtrtotrmicroorganismtrratiotr(F:M)
Whitetrfluffytrfoamtrontrthetrbiologicaltrreactorstrintrantractivatedtrsludgetrprocesstristrusuallytrcausedtrbytr-
trcorrecttranswers-LowtrDissolvedtrOxygen
Typicaltrcomponentstroftrgrittrremovaltrsystemstrincludetr-trcorrecttranswers-chain-and-flighttrscrapers
Dailytrmaintenancetrprocedurestrfortratrrectangulartrsecondarytrclarifiertrincludetr-trcorrecttranswers-
Inspectingtrthetrdrivetrunittrandtrthetrchain-and-flighttrsystem
Thetrmechanismtrusedtrtotrremovetrdewateredtrsludgetrfromtrthetrbelttroftratrbelttrpresstrfiltertrpresstristrcommo
nlytrreferredtrtotrastratr-trcorrecttranswers-doctortrblade
Whichtroftrthetrfollowingtrtermstrdescribestrantractivatedtrsludgetrprocesstrmodetrintrwhichtraerationtrandtrclarifi
cationtroccurtrintrthetrsametrtank?tr-trcorrecttranswers-Sequencingtrbatchtrreactor
Whichtrtypetroftrpolymertrhastrthetrmosttractivetrproducttrpertrunittrweight?tr-trcorrecttranswers-Drytrpolymer
Atrconditiontrwheretrcleartrsupernatanttristrpumpedtrthroughtrthetrsludgetrblankettroftratrgravitytrthickenertrintot
ritstrunderflowtristrreferredtrtotrastr-trcorrecttranswers-Coningtrortr"rattrholing"
Thetrpredominancetroftrwhichtrmicroorganismstristrantrindicationtroftrabnormaltractivatedtrsludgetrprocesstrope
ration?tr-trcorrecttranswers-fungi
Attrconcentrationstrlesstrthattr___tr,trchlorinetrgastristrnottrdetectabletrbytrthetrhumantrsensetroftrsmelltr-
trcorrecttranswers-1trppmtrortrless
preliminarytrtreatmenttr-trcorrecttranswers-
thetr1sttrstagetroftrsewagetrtreatmenttrwheretrlargetrdebris,trsuchtrastrsticks,trgrit,trandtrragstrpastrthroughtratrscre
entrfollowedtrbytratrgrittrchamber,trwheretrthetrflowtroftrwatertristrslowedtrenoughtrtotrallowtrfortrsedimentation.
primarytrtreatmenttr-trcorrecttranswers-
processtrusedtrtotrseperatetrsolidtrmattertrthattrwilltrsettletrtotrthetrbottomtrortrfloattrfromtrwastetrwatertrbeingtrtr
eated.tratrseptictrtanktristrantrexample.
secondarytrtreatmenttr-trcorrecttranswers-
processtrusedtrtotrconverttrdissolvedtrortrsuspendedtrmaterialstrintotratrformtrthattristreasiertrtotrseperate.trcantrb
etrbiologicaltrwhereastrorganismstrpartiallytrstabilizetr(oxidize)trorganictr
matter
Wastewater C License Florida
tr tr tr
tr tr tr tr
Wastewater C License Florida tr tr tr
Thetrfirsttrsteptrintrmaintenancetrstafftrshouldtrtaketrintrproperlytrlockingtrandtrtaggingtrouttratrpiecetroftrequipme
nttristrtotr-trcorrecttranswers-alerttrthetroperatortrontrduty
Whentrworkingtrintrantrareatrwithtrtwotrortrmoretrfloortrcoverings,trbetrsuretrthattrtheytraretralwaystr-
trcorrecttranswers-Securedtrtogether
Whentrmanuallytrliftingtranytrobjecttrbetrsuretrtotr-trcorrecttranswers-
keeptrittrclosetrtotryourtrbodytrandtrusetrlegtrstrength
Oxygentrdeficiencytrbecomestratrconcerntrwhentrthetroxygentrleveltrintratrconfinedtrspacetristrlesstrthantr-
trcorrecttranswers-19.5%
Whattrprovidestrsafetytrinformationtrfortrpotentiallytrhazardoustrortrtoxictrmaterials?tr-trcorrecttranswers-
MSDStrMaterialtrsafetytrDatatrSheet
Thetrthresholdtrlimittrvaluetrconcentrationtrfortrchlorinetrvaportristr-trcorrecttranswers-0.5trppm
Whentrworkingtrintrconfinedtrspacestrwheretrflammabletrgasestrmaytrbetrpresent,trusetronlytrtoolstrmadetroftr-
trcorrecttranswers-atrnon-sparkingtralloy
Intradditiontrtotrthetrworkertrenteringtratrconfinedtrspace,trwhattristrthetrminimumtrnumbertroftrpeopletrrequired
trtotrbetrpresenttrduringtratrconfinedtrspacetrentry?tr-trcorrecttranswers-1
Hearingtrprotectiontrmusttrbetrmadetravailabletrtotralltremployeestrexposedtrtotrnoisetrlevelstrabovetr-
trcorrecttranswers-85trdecibels,traveragedtrovertr8trworkingtrhours
Recommendedtrpersonaltrhygienetrpracticestrtotrminimizetrthetrrisktroftrbeingtrinfectedtrbytrwastewatertrpatho
genstrincludetr-trcorrecttranswers-changingtrouttroftryourtrworktrclothestrandtrshoweringtrbeforetrleavingtrwork
Whentrusingtrprotabletrelectrictrtoolstrintrdamptrareastrortraroundtrstandingtrwater,trbetrsuretrtotrplugtrthemtrinto
tratr-trcorrecttranswers-groundtrfaulttrcircuittrinterrupter
Youtraretrthetroperator-on-
duty.trThetralarmtrfortrthetrfiretrdetectortrintrthetrBelttrfiltertrpresstrcontroltrroomtrgoestroff.trwhattrtypetroftrfiretrex
tinguishertrwouldtryoutrtaketrtotrrespondtrtotrthistralarm?tr-trcorrecttranswers-ClasstrC`
Intrconfinedtrspacetrentry,trLFLtrstandstrfortr-trcorrecttranswers-Lowertrflammabilitytrlimit
Whentrmixingtrdrytrsodiumtrhydroxidetrandtrwatertrintrantrenclosedtrvesseltrortrarea,trbetrsuretrthattr-
trcorrecttranswers-thetrvesseltrortrareatristrproperlytrvented
Personneltrshouldtrnottrworktralonetrontrenergizedtrequipment,trfortrexample,tratrmagnetictrstarter,trthattropera
testrattrortrabovetr-trcorrecttranswers-480trvolts.trIttristrconsideredtrlethaltranytramounttrabouttrthis.
Whichtroftrthetrfollowingtrhazardoustrchemicalstrintratrhydrocarbon?trMethane.trPhosphorictracid.trSodiumtrhyd
roxide.trFerrictrchloride.tr-trcorrecttranswers-Methane.
Pulmonarytrcapacitytrteststraretrrequiredtrbeforetroperatorstrcantrbetrclearedtrfortrusingtrrespiratorytrequipmen
t.trThesetrteststrshouldtrbetrperformedtrattratrminimumtroftroncetreverytr-trcorrecttranswers-3tryears
Accordingtrtotrarticletr250troftrthetrU.S.trNationaltrElectrictrCodetr(NEC),trwhattrcolortrshouldtrgreentrwirestrbe?tr-
trcorrecttranswers-Green.
Iftryourtr910trkgtr(1trton)trchlorinetrcylandertristrleaking,trwhattrtypetroftrchlorinetrinstitutetrrepairtrkittrshouldtrbetr
used?tr-trcorrecttranswers-TypetrAtristrfortr70trkgtr(150trlbs)
TypetrBtristrfortr1trton
TypetrCtristrfortrrailtrcars
, Iftryourtrfacilitytrstorestr_______trortrmoretrchlorine,tryoutrmusttrdeveloptratrRisktrManagementtrProgramtrintrco
mpliancetrwithtrthetrU.S.trEPA'strChemicaltrAccidentaltrReleasetrPreventiontrRegulations.tr-trcorrecttranswers-
1140trkgtr(2500trlb)
ConventionaltractivatedtrsludgetrsystemstrtypicallytroperatetrwithtratrDOtrrangetroftr-trcorrecttranswers-2-5trmg/l
Largetrdebristr(sticks,trrocks,trect)trlargetrfloatingtrsolids,trandtrfibroustrmaterstr(rags,trstrings,trcloth,tretc.)traretrc
ategorizedtrastr-trcorrecttranswers-
Screenings.trThistrmaterialtristrremovedtrpriortrtotrpumpstrtotrpreventtrdamage.
Pumpstraretroftentrrequiredtrtotrbringtrwastewatertrintotratrtreatmenttrplant.trWhattrtypestroftrpumpstraretrtypic
allytrusedtrtotrlifttrinfluenttrwastewater?tr-trcorrecttranswers-
Centrifugaltrpumpstraretrprimarilytrusedtrtotrbringtrintrwastewater,trpositivetrdisplacementtrpumpstraretrusedtrto
trtransporttrsludge.
Thetrtimetrittrtakestrfortratrunittrvolumetroftrwastewatertrtotrpasstrentirelytrthroughtratrprimarytrclarifiertristrcalledtr
-trcorrecttranswers-detentiontrtime.
Aftertrchlorine,trwhattristrthetrmosttrcommontreffluenttrwastewatertrdisinfectiontrtechniquetrortragenttrusedtrintr
thetrU.S.trtoday?tr-trcorrecttranswers-Ultraviolettrradiation.trDuetrtotrfewertrsafetytrconcerns
ThetrBODtrloadingtrratetrdividedtrbytrthetrquantitytroftrmicroorganismtrpresenttrintrthetrbiologicaltrreactorstr(aer
ationtrtanks)tristrknowntrastr-trcorrecttranswers-thetrfoodtrtotrmicroorganismtrratiotr(F:M)
Whitetrfluffytrfoamtrontrthetrbiologicaltrreactorstrintrantractivatedtrsludgetrprocesstristrusuallytrcausedtrbytr-
trcorrecttranswers-LowtrDissolvedtrOxygen
Typicaltrcomponentstroftrgrittrremovaltrsystemstrincludetr-trcorrecttranswers-chain-and-flighttrscrapers
Dailytrmaintenancetrprocedurestrfortratrrectangulartrsecondarytrclarifiertrincludetr-trcorrecttranswers-
Inspectingtrthetrdrivetrunittrandtrthetrchain-and-flighttrsystem
Thetrmechanismtrusedtrtotrremovetrdewateredtrsludgetrfromtrthetrbelttroftratrbelttrpresstrfiltertrpresstristrcommo
nlytrreferredtrtotrastratr-trcorrecttranswers-doctortrblade
Whichtroftrthetrfollowingtrtermstrdescribestrantractivatedtrsludgetrprocesstrmodetrintrwhichtraerationtrandtrclarifi
cationtroccurtrintrthetrsametrtank?tr-trcorrecttranswers-Sequencingtrbatchtrreactor
Whichtrtypetroftrpolymertrhastrthetrmosttractivetrproducttrpertrunittrweight?tr-trcorrecttranswers-Drytrpolymer
Atrconditiontrwheretrcleartrsupernatanttristrpumpedtrthroughtrthetrsludgetrblankettroftratrgravitytrthickenertrintot
ritstrunderflowtristrreferredtrtotrastr-trcorrecttranswers-Coningtrortr"rattrholing"
Thetrpredominancetroftrwhichtrmicroorganismstristrantrindicationtroftrabnormaltractivatedtrsludgetrprocesstrope
ration?tr-trcorrecttranswers-fungi
Attrconcentrationstrlesstrthattr___tr,trchlorinetrgastristrnottrdetectabletrbytrthetrhumantrsensetroftrsmelltr-
trcorrecttranswers-1trppmtrortrless
preliminarytrtreatmenttr-trcorrecttranswers-
thetr1sttrstagetroftrsewagetrtreatmenttrwheretrlargetrdebris,trsuchtrastrsticks,trgrit,trandtrragstrpastrthroughtratrscre
entrfollowedtrbytratrgrittrchamber,trwheretrthetrflowtroftrwatertristrslowedtrenoughtrtotrallowtrfortrsedimentation.
primarytrtreatmenttr-trcorrecttranswers-
processtrusedtrtotrseperatetrsolidtrmattertrthattrwilltrsettletrtotrthetrbottomtrortrfloattrfromtrwastetrwatertrbeingtrtr
eated.tratrseptictrtanktristrantrexample.
secondarytrtreatmenttr-trcorrecttranswers-
processtrusedtrtotrconverttrdissolvedtrortrsuspendedtrmaterialstrintotratrformtrthattristreasiertrtotrseperate.trcantrb
etrbiologicaltrwhereastrorganismstrpartiallytrstabilizetr(oxidize)trorganictr
matter
Wastewater C License Florida
tr tr tr
