WASTEWATER COLLECTIONS CLASS
D TEST LATEST 2026/2027 ACTUAL
EXAM QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1. Whymismitmdangerousmtomdrivemovermamrockingmormimproperlymseatedmmanholemlid?m-
mCORRECTmANSWERmItmcanmflipmovermandmcausemanmaccidentmormdamagemtomamvehicle
2. Whatmaremthemsafemoxygenmlevels?m-mCORRECTmANSWERm19.5-23.5
3. WhatmdoesmF.O.G.mstandmfor?m-mCORRECTmANSWERmFats,mOils,mandmGrease
4. Whatmismusedmtomcleanmamforcemmain?m-mCORRECTmANSWERmPig
5. Whatmdoesmthemlocatemcolormyellowmmean?m-mCORRECTmANSWERmGasmline
6. Howmfarmawaymfrommanmexcavationmmustmdirtmbemkeptmback?m-mCORRECTmANSWERm2'
7. Whatmdoesmthemtermminflowmrefermto?m-
mCORRECTmANSWERmWatermdischargemintomamcollectionmsystemmfrommanmoutsidemsource
8. Whatmshouldmbemdonembeforemworkingmonmanymequipmentmthatmcouldmstartmupmormreleas
emstoredmenergy?m-mCORRECTmANSWERmLockmoutmtagmoutmprocedures
9. Howmoftenmshouldmyoumanmexistingmmanholembeminspected?m-
mCORRECTmANSWERmEverym1-5myears
, 10. Whatmcanmbemlocatedmusingmsmokemtesting?m-
mCORRECTmANSWERmBrokenmsewersmduemtomsettlingmofmfoundations,mmanholes,mandmoth
ermstructures.
11. Whatmismonemwaymplumbersmcanmcreatemobstructionsminmsystems?m-
mCORRECTmANSWERmThemplacementmofmbuildingmsewermtapsmprotrudingmintomthemmainms
ewer.
12. Whatmdirectionsmshouldmthemcleaningmnozzlemofmamhigh-
velocitymcleanermbempointedmduringmcleaning?m-
mCORRECTmANSWERmUpstreammofmthemoperatingmmanhole
13. Whatmtypesmofmsewermlinemproblemsmcanmbemlocatedmbymusingmthemmandrelmtest?m-
mCORRECTmANSWERmBuildingmsewermconnectionsmthatmprotrudemintomthemmainmlines.
14. Whomshouldmbemnotifiedmwhenmconductingmupstreamminspectionmactivities?m-
mCORRECTmANSWERmTreatmentmplantmoperatorsmandmindustrialmwasteminspectors.
15. Whenmbasementsmfloodmwhatmshouldmbemshutmoff?m-
mCORRECTmANSWERmElectricalmandmgasmutilities
16. Whomhiresmcollectionsmsystemmoperators?m-
mCORRECTmANSWERmCity,mcounty,mamspecialmpurposemdistrictmormamsanitationmdistrict,morm
amprivatemutilitymcompany.
17. WhichmO&Mmprogramsmaremsimilarmtomthosemofmwastewatermcollectionmsystems?m-
mCORRECTmANSWERmOthermutilities
18. Whatmtypemofmpipemjointsmaremavailablemformnearlymallmtypesmofmpipemusedminmcollectionmsy
stemsmtoday?m-mCORRECTmANSWERmPush-on
D TEST LATEST 2026/2027 ACTUAL
EXAM QUESTIONS WITH CORRECT
ANSWERS 100% VERIFIED GRADED
A+
1. Whymismitmdangerousmtomdrivemovermamrockingmormimproperlymseatedmmanholemlid?m-
mCORRECTmANSWERmItmcanmflipmovermandmcausemanmaccidentmormdamagemtomamvehicle
2. Whatmaremthemsafemoxygenmlevels?m-mCORRECTmANSWERm19.5-23.5
3. WhatmdoesmF.O.G.mstandmfor?m-mCORRECTmANSWERmFats,mOils,mandmGrease
4. Whatmismusedmtomcleanmamforcemmain?m-mCORRECTmANSWERmPig
5. Whatmdoesmthemlocatemcolormyellowmmean?m-mCORRECTmANSWERmGasmline
6. Howmfarmawaymfrommanmexcavationmmustmdirtmbemkeptmback?m-mCORRECTmANSWERm2'
7. Whatmdoesmthemtermminflowmrefermto?m-
mCORRECTmANSWERmWatermdischargemintomamcollectionmsystemmfrommanmoutsidemsource
8. Whatmshouldmbemdonembeforemworkingmonmanymequipmentmthatmcouldmstartmupmormreleas
emstoredmenergy?m-mCORRECTmANSWERmLockmoutmtagmoutmprocedures
9. Howmoftenmshouldmyoumanmexistingmmanholembeminspected?m-
mCORRECTmANSWERmEverym1-5myears
, 10. Whatmcanmbemlocatedmusingmsmokemtesting?m-
mCORRECTmANSWERmBrokenmsewersmduemtomsettlingmofmfoundations,mmanholes,mandmoth
ermstructures.
11. Whatmismonemwaymplumbersmcanmcreatemobstructionsminmsystems?m-
mCORRECTmANSWERmThemplacementmofmbuildingmsewermtapsmprotrudingmintomthemmainms
ewer.
12. Whatmdirectionsmshouldmthemcleaningmnozzlemofmamhigh-
velocitymcleanermbempointedmduringmcleaning?m-
mCORRECTmANSWERmUpstreammofmthemoperatingmmanhole
13. Whatmtypesmofmsewermlinemproblemsmcanmbemlocatedmbymusingmthemmandrelmtest?m-
mCORRECTmANSWERmBuildingmsewermconnectionsmthatmprotrudemintomthemmainmlines.
14. Whomshouldmbemnotifiedmwhenmconductingmupstreamminspectionmactivities?m-
mCORRECTmANSWERmTreatmentmplantmoperatorsmandmindustrialmwasteminspectors.
15. Whenmbasementsmfloodmwhatmshouldmbemshutmoff?m-
mCORRECTmANSWERmElectricalmandmgasmutilities
16. Whomhiresmcollectionsmsystemmoperators?m-
mCORRECTmANSWERmCity,mcounty,mamspecialmpurposemdistrictmormamsanitationmdistrict,morm
amprivatemutilitymcompany.
17. WhichmO&Mmprogramsmaremsimilarmtomthosemofmwastewatermcollectionmsystems?m-
mCORRECTmANSWERmOthermutilities
18. Whatmtypemofmpipemjointsmaremavailablemformnearlymallmtypesmofmpipemusedminmcollectionmsy
stemsmtoday?m-mCORRECTmANSWERmPush-on