CWEA GRADE 1 AND 2 TESTS COLLECTION SYSTEMS MAINTENANCE EXAM AND STUDY GUIDE LATEST 2026/2027 TEST BANK| COMPLETE 150 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+|| BRAND NEW!!

CWEA GRADE 1 AND 2 TESTS
COLLECTION SYSTEMS
MAINTENANCE EXAM AND STUDY
GUIDE LATEST 2026/2027 TEST
BANK| COMPLETE 150 ACTUAL EXAM
QUESTIONS AND CORRECT
DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+||
BRAND NEW!!
1. Whymaremgasolinemandmvolatilemsolventsmobjectionablemwhenmpresentminmamsewer?m-
mCORRECTmANSWERmTheymproducemanmexplosionmhazard




2. Youmshouldmnevermattemptmtominstall,mmaintain,mrepairmormreplacemelectricalmequipmentm
panels,mcontrols,mwiringmormcircuitsmunlessm-
mCORRECTmANSWERmYoumknowmwhatmyoumaremdoing,maremqualifiedmandmaremauthorized




3. Whatmaremthemdifferentmareasmofmtrafficmzones?m-
mCORRECTmANSWERmAdvancemWarningmArea,mTransitionmArea,mActivitymAream(buffermspac


emandmworkmspace),mTerminationmArea.mCouldmbem4morm5,mjustifymyourmanswermonmthemtest
!



4. whymshouldmhydrogenmsulfidembemcontrolled?m-
mCORRECTmANSWERmtomprotectmfrommcorrosionmandmodors




5. PersonnelmenteringmamPermitmRequiredmConfinedmSpacemmustmhavemthemfollowingmtrainin
gm-mCORRECTmANSWERmentrymandmrescue

,6. Tomfindmprotectivemgearmbeforemapplicationmofmamproduct,myoumshould:m-
mCORRECTmANSWERmlookmatmthemMSDS




7. Themgasmmostmcommonlymassociatedmwithmsepticmwastewatermism-
mCORRECTmANSWERmHydrogenmSulfide




8. Themlackmofmanmunpleasantmodorminmammanhole,mliftmstationmormothermstructuresmdoesmnot
malwaysmmeanmthatmdangerousmgasesmaremnotmpresentmbecause:m-


mCORRECTmANSWERmsomemdangerousmgassesmaremodorlessm(formexample,mcarbonmmonoxi


de)



9. Whatmaremthemfourmconditionsmnecessarymtomcreatemanmexplosion?m-
mCORRECTmANSWERmcombustiblemgas,madequatemoxygen,mheatmandmpropermmixingmofmgas


mandmoxygen




10. whatmdoesmthem"transitionmarea"mmeanminmtrafficmcontrol?m-
mCORRECTmANSWERmItmmovesmtrafficmoutmofmitsmnormalmpath




11. whatmelementsmshouldmbemconsideredmtomimprovemworkermsafetyminmHighmspeedmTempor
arymTrafficmcontrolmZones?m-
mCORRECTmANSWERmReroutingmtrafficmaroundmthemworkmsite,mpositioningmofmlawmenforce


mentmofficersminmthemtemporarymtrafficmcontrolmzone,mandmworkmzonemtraining



12. WhatmkeymfeaturesmwouldmyoumneedmtomaddressmwhenmdevelopingmanmS.O.P.mformamLiftmSt
ationmfailure?m-mCORRECTmANSWERmTrafficmControlmPlan,mBy-
Passmconnections,mandmSpillmcontainment



13. Whatmtoolsmaremusedmwithmampowermrodder?m-mCORRECTmANSWERmSpringmBlades

, 14. Toolsmusedmformsewermroddingminclude:m-
mCORRECTmANSWERmporcupine,mrootmsaw,msquarembarmcorkmscrew




15. WhatmtoolmwouldmyoumusemtomcutmVCPmpipe?m-mCORRECTmANSWERmChainmPipemCutter



16. Whichmconditionsmshouldmamgasmdetectionmdevicemtestmfor?m-
mCORRECTmANSWERmHydrogenmsulfide,mexplosive/flammablemgases,moxygen




17. Whatmdoesm"LEL"mmeanmonmamgasmdetectionmmeter?m-
mCORRECTmANSWERmLowermExplosivemLimit




18. Themoxygenmlevelmalarmmnormallymgoesmoffmifmoxygenmlevelsmarembelow:m-
mCORRECTmANSWERm19.5mpercent




19. WhenmdevelopingmanmS.O.P.mformscheduledmmaintenancemofmelectricalmequipment,mwhatm
programmshouldmbemaddressedmasmamprimarymsafetymguideline?m-
mCORRECTmANSWERmThemL.O.T.OmProgram




20. WhatmdoesmL.O.T.O.mStandmfor?m-mCORRECTmANSWERmLockmoutmtagmout



21. WhatmdocumentmwouldmyoumrequiremtombemreferencedmwhenmdevelopingmanmS.O.p.mformh
azardousmsubstacemspillmcleanmup?m-mCORRECTmANSWERmM.S.D.S.



22. inmdevelopingmanmS.O.P.mformairmmonitoringminmamPermitmRequiredmConfinedmSpacemyoumw
ouldmincludemwhatmtwomfactors?m-
mCORRECTmANSWERmPlacementmofmthemblowermandmamweathermforecast