PLUMBING COURSE EXAM 2026/2027
| ALL CHAPTERS COVERED| STUDY
GUIDE EXAM WITH 280 ACCURATE
QUESTIONS AND DETAILED VERIFIED
ANSWERS (100% CORRECT
ANSWERS) ALREADY GRADED A+
1. Am70'mverticalmpipemfullmofmwatermhasmhowmmuchmpressurematmthembase?mMathm-
mCORRECTmANSWERm30.5mpsi
2. Graymwatermshallmbemdisinfectedmbymanmapprovedmmethodmthatmemploysmonemormmoremdi
sinfectantsmsuchmasm_____.m1mChlorinem2.mIodinem3.mOzone.mIPCm1302m-
mCORRECTmANSWERmAllmofmthemabove
3. Amplumbingmpermitmbecomesminvalidmifmthemworkmauthorizedmbymthempermitmismnotmstarte
dmwithinm_____mdaysmfrommthemdatemofmissue,mormifmthemworkmauthorizedmbymthempermitmi
smstoppedmormabandonedmaftermthemworkmismstartedmformamperiodmofm_____mdays.mIPCm106
.5.3m-mCORRECTmANSWERm180,m180
4. Allmhorizontalmdrainsmwithinmambuildingmshallmbemprovidedmwithmcleanoutsmlocatedmnotmm
oremthanm_____mfeetmapart.mGAm708.3.1m-mCORRECTmANSWERm100
5. Themfollowingmaremacceptablemasmamcleanoutminmlieumofmthemupstreammcleanoutmrequiredm
tombemplacedmatmthemendmofmamhorizontalmdrainmpipemservingm_____.m1.m"P"mtrapsmintomwh
ichmfloormdrains,mshowermdrains,mormtubmdrainsmwithmremovablemstrainersm2.mbuildingmdrai
nsmwithmamcleanoutmlocatedmnearmthemjunctionmofmthembuildingmdrainmandmthembuildingmse
wermwhichmmaymbemroddedmbothmwaysm3.m"P"mtrapmintomwhichmamresidentialmwashingmma
chinemdischarges.mIPCm708.3.1m-mCORRECTmANSWERm1,m2,mandm3
6. Plumbingmpermitsmaremsetmby_____?mIPCm106.6.2m-mCORRECTmANSWERmlocalmordinance
,7. Standpipesmshallmextendmammaximummofm_____minchesmandmamminimummofm_____minches
mabovemthemtrapmIPCm802.4m-mCORRECTmANSWERm42,m18
8. Ventmstackmshallmconnectmatmormbelowmthemlowestmhorizontalmbranchmandmwheremthemven
tmstackmconnectsmtomthembuildingmdrain,mthemconnectionmshallmbemlocatedmdownstreammof
mthemdrainagemstackmandm_____.mIPCm904.4m-
mCORRECTmANSWERmconnectmwithinmamdistancemofmtenmtimesmthemdiametermofmthemdrain
agemstack
9. Themmaximummdistancemofm3"mtrapmwithmam3"mfixturemdrainmshallmbemfrommitsmventmism___
__.mIPCm909.1m-mCORRECTmANSWERm12'
10. Amwetmventmmaymservem_____.mIPCm912.1m-
mCORRECTmANSWERmAmwatermcloset,mshower,mfloormdrain,mandmlavatorymlocatedmonmthems
amemfloormlevelmwithinmonembathroom.
11. Amcircuitmventmmaymprotectmammaximummofm_____mfixturemtrapsmwithmtheirmfixturemdrainsm
connectedmtomamhorizontalmbranchmdrain.mIPCm914.2m-mCORRECTmANSWERm8
12. Combinationmwastemandmventmsystemsmshallmnotmreceivemthemdischargemfrommfixturesmoth
ermthanm_____.mIPCm915.1m-
mCORRECTmANSWERmfloormdrains,msinks,mlavatoriesmandmdrinkingmfountains,mfoodmwasterm
grinders,m&mclinicalmsinks
13. Airmadmittancemvalvesmshallmbemlocatedmamminimummofm_____minchesmabovemthemhorizont
almbranchmdrainmormfixturemdrainmbeingmvented.mIPCm918.4m-mCORRECTmANSWERm4
14. Amcombination-
plumbingmfixturemismpermittedmtombeminstalledmonmonemtrapmprovidedmthatmonemcompart
mentmismnotmmoremthanm_____minchesmdeepermthanmthemothermcompartmentmandmthemwa
, stemoutletsmaremnotmmoremthenm_____minchesmapart.mIPCm1002.1m-
mCORRECTmANSWERm6,m30
15. Themsizemofmthemverticalmconductorsmandmleaders,mbuildingmstormmsewers,mandmanymhorizo
ntalmbranchesmofmsuchmdrainsmormsewermshallmbembasedmonmthem_____myearmhourlymrainfal
l.mIPCm1106.1m-mCORRECTmANSWERm100
16. Informationmrequiredmonmampermitmapplicationmismestablishedmbym_____.mIPCm10.3m-
mCORRECTmANSWERmLocalmordinance
17. Amventmconnectingmonemormmoremindividualmventsmwithmamventmstack,mstackmventmormtermi
natingminmthemopenmairmism_____.mIPCm202m-mCORRECTmANSWERmBranchmvent
18. Potablemwatermsystemsmormpartmthereofmshallmbemsubjectedmandmprovedmtightmundermammi
nimummpressuremtestmofm_____?mIPCm312.5m-mCORRECTmANSWERmWorkingmpressure
19. Airmmaymbemusedmtomtestmampotablemwatermsystemmormpartmthereofmifm_____?mIPCm312.5m-
mCORRECTmANSWERmThempipesmaremmetallic
20. Soldersmusedmtommakemjointsminmpotablemwatermsystemsmshallmcontainmnommoremthanm___
__m%mlead.mIPCm605.15.4m-mCORRECTmANSWERm.2%
21. Exceptmwheremamparallelmwatermdistributionmsystemmmanifoldmwithmshutoffmvalvesmismused
,mshutoffsmformindividualmfixturesmshallmbemlocatedm_____?mIPCm606.2.2m-
mCORRECTmANSWERmonmthemfixturemsupplymofmthemfixture
22. Wheremwatermismheatedmandmstoredminmamclosedmplumbingmsystemmandmthermalmexpansio
nmcanmoccur,mamdevicemshallmbeminstalledmthatmwouldmlimitmthempressuremtomnommoremthan
m_____?mIPCm607.3.2m-mCORRECTmANSWERm80mPSI
, 23. WhomcanmcontractmformplumbingmworkmundermGAmStatemLaw?mGAmLawm-
mCORRECTmANSWERmMastermPlumber
24. Amcleanmoutmismnotmrequiredmonmthemupstreammendmofmamhorizontalmdrainmlinemifmitmserves
_____.m1.mWatermclosetm2.mFloormdrain,mshowermdrainmormtubmdrainmwithmamremovablemstr
ainerm3.mTrapmwithmcleanmoutmplugmormremovablemtrap.mGAm708.3.1m-
mCORRECTmANSWERmAllmofmthemabove
25. Themsizemofmcleanmoutsmshallmnotmbemlessmthanm_____.GAm708.7m-
mCORRECTmANSWERmThemsizemofmthempipemtheymaremconnectedmtomupmtom4"
26. Ifmamfloormdrainmisminstalledminmampublicmrestroom,mthemminimummsizemtrapmofmthemfloormdr
ainmallowedmism?mIPCmTablem709.1m-mCORRECTmANSWERm2"
27. Ifmamfloormdrainmwithmam3-
inchmtrapmisminstalledminmampublicmrestroom,mhowmmanymDFU'smismitmassigned?m(Themtrapmis
musedminmconjunctionmwithmhosembibsmtomwashmthemfloor)mIPCmTablem709.2m-
mCORRECTmANSWERm5
28. Restraintsmshallmbemprovidedmtompreventmmovementmofmdrainagempipem_____minmsize.mIPCm
308.7.1m-mCORRECTmANSWERmLargermthanm4minch
29. Amsandminterceptormshallmhavemamminimummwatermsealmofm_____?mIPCm1003.5m-
mCORRECTmANSWERm6"
30. ThemminimummnumbermofmplumbingmfixturesmformamgivenmfacilitymismdeterminedmbymIPCm4
03.1m-mCORRECTmANSWERmTheminternationalmplumbingmcode
31. Themminimummsizemformamresidentialmwatermheatermismdeterminedmby?mGAm506.1m-
mCORRECTmANSWERmThemInternationalmPlumbingmCode
| ALL CHAPTERS COVERED| STUDY
GUIDE EXAM WITH 280 ACCURATE
QUESTIONS AND DETAILED VERIFIED
ANSWERS (100% CORRECT
ANSWERS) ALREADY GRADED A+
1. Am70'mverticalmpipemfullmofmwatermhasmhowmmuchmpressurematmthembase?mMathm-
mCORRECTmANSWERm30.5mpsi
2. Graymwatermshallmbemdisinfectedmbymanmapprovedmmethodmthatmemploysmonemormmoremdi
sinfectantsmsuchmasm_____.m1mChlorinem2.mIodinem3.mOzone.mIPCm1302m-
mCORRECTmANSWERmAllmofmthemabove
3. Amplumbingmpermitmbecomesminvalidmifmthemworkmauthorizedmbymthempermitmismnotmstarte
dmwithinm_____mdaysmfrommthemdatemofmissue,mormifmthemworkmauthorizedmbymthempermitmi
smstoppedmormabandonedmaftermthemworkmismstartedmformamperiodmofm_____mdays.mIPCm106
.5.3m-mCORRECTmANSWERm180,m180
4. Allmhorizontalmdrainsmwithinmambuildingmshallmbemprovidedmwithmcleanoutsmlocatedmnotmm
oremthanm_____mfeetmapart.mGAm708.3.1m-mCORRECTmANSWERm100
5. Themfollowingmaremacceptablemasmamcleanoutminmlieumofmthemupstreammcleanoutmrequiredm
tombemplacedmatmthemendmofmamhorizontalmdrainmpipemservingm_____.m1.m"P"mtrapsmintomwh
ichmfloormdrains,mshowermdrains,mormtubmdrainsmwithmremovablemstrainersm2.mbuildingmdrai
nsmwithmamcleanoutmlocatedmnearmthemjunctionmofmthembuildingmdrainmandmthembuildingmse
wermwhichmmaymbemroddedmbothmwaysm3.m"P"mtrapmintomwhichmamresidentialmwashingmma
chinemdischarges.mIPCm708.3.1m-mCORRECTmANSWERm1,m2,mandm3
6. Plumbingmpermitsmaremsetmby_____?mIPCm106.6.2m-mCORRECTmANSWERmlocalmordinance
,7. Standpipesmshallmextendmammaximummofm_____minchesmandmamminimummofm_____minches
mabovemthemtrapmIPCm802.4m-mCORRECTmANSWERm42,m18
8. Ventmstackmshallmconnectmatmormbelowmthemlowestmhorizontalmbranchmandmwheremthemven
tmstackmconnectsmtomthembuildingmdrain,mthemconnectionmshallmbemlocatedmdownstreammof
mthemdrainagemstackmandm_____.mIPCm904.4m-
mCORRECTmANSWERmconnectmwithinmamdistancemofmtenmtimesmthemdiametermofmthemdrain
agemstack
9. Themmaximummdistancemofm3"mtrapmwithmam3"mfixturemdrainmshallmbemfrommitsmventmism___
__.mIPCm909.1m-mCORRECTmANSWERm12'
10. Amwetmventmmaymservem_____.mIPCm912.1m-
mCORRECTmANSWERmAmwatermcloset,mshower,mfloormdrain,mandmlavatorymlocatedmonmthems
amemfloormlevelmwithinmonembathroom.
11. Amcircuitmventmmaymprotectmammaximummofm_____mfixturemtrapsmwithmtheirmfixturemdrainsm
connectedmtomamhorizontalmbranchmdrain.mIPCm914.2m-mCORRECTmANSWERm8
12. Combinationmwastemandmventmsystemsmshallmnotmreceivemthemdischargemfrommfixturesmoth
ermthanm_____.mIPCm915.1m-
mCORRECTmANSWERmfloormdrains,msinks,mlavatoriesmandmdrinkingmfountains,mfoodmwasterm
grinders,m&mclinicalmsinks
13. Airmadmittancemvalvesmshallmbemlocatedmamminimummofm_____minchesmabovemthemhorizont
almbranchmdrainmormfixturemdrainmbeingmvented.mIPCm918.4m-mCORRECTmANSWERm4
14. Amcombination-
plumbingmfixturemismpermittedmtombeminstalledmonmonemtrapmprovidedmthatmonemcompart
mentmismnotmmoremthanm_____minchesmdeepermthanmthemothermcompartmentmandmthemwa
, stemoutletsmaremnotmmoremthenm_____minchesmapart.mIPCm1002.1m-
mCORRECTmANSWERm6,m30
15. Themsizemofmthemverticalmconductorsmandmleaders,mbuildingmstormmsewers,mandmanymhorizo
ntalmbranchesmofmsuchmdrainsmormsewermshallmbembasedmonmthem_____myearmhourlymrainfal
l.mIPCm1106.1m-mCORRECTmANSWERm100
16. Informationmrequiredmonmampermitmapplicationmismestablishedmbym_____.mIPCm10.3m-
mCORRECTmANSWERmLocalmordinance
17. Amventmconnectingmonemormmoremindividualmventsmwithmamventmstack,mstackmventmormtermi
natingminmthemopenmairmism_____.mIPCm202m-mCORRECTmANSWERmBranchmvent
18. Potablemwatermsystemsmormpartmthereofmshallmbemsubjectedmandmprovedmtightmundermammi
nimummpressuremtestmofm_____?mIPCm312.5m-mCORRECTmANSWERmWorkingmpressure
19. Airmmaymbemusedmtomtestmampotablemwatermsystemmormpartmthereofmifm_____?mIPCm312.5m-
mCORRECTmANSWERmThempipesmaremmetallic
20. Soldersmusedmtommakemjointsminmpotablemwatermsystemsmshallmcontainmnommoremthanm___
__m%mlead.mIPCm605.15.4m-mCORRECTmANSWERm.2%
21. Exceptmwheremamparallelmwatermdistributionmsystemmmanifoldmwithmshutoffmvalvesmismused
,mshutoffsmformindividualmfixturesmshallmbemlocatedm_____?mIPCm606.2.2m-
mCORRECTmANSWERmonmthemfixturemsupplymofmthemfixture
22. Wheremwatermismheatedmandmstoredminmamclosedmplumbingmsystemmandmthermalmexpansio
nmcanmoccur,mamdevicemshallmbeminstalledmthatmwouldmlimitmthempressuremtomnommoremthan
m_____?mIPCm607.3.2m-mCORRECTmANSWERm80mPSI
, 23. WhomcanmcontractmformplumbingmworkmundermGAmStatemLaw?mGAmLawm-
mCORRECTmANSWERmMastermPlumber
24. Amcleanmoutmismnotmrequiredmonmthemupstreammendmofmamhorizontalmdrainmlinemifmitmserves
_____.m1.mWatermclosetm2.mFloormdrain,mshowermdrainmormtubmdrainmwithmamremovablemstr
ainerm3.mTrapmwithmcleanmoutmplugmormremovablemtrap.mGAm708.3.1m-
mCORRECTmANSWERmAllmofmthemabove
25. Themsizemofmcleanmoutsmshallmnotmbemlessmthanm_____.GAm708.7m-
mCORRECTmANSWERmThemsizemofmthempipemtheymaremconnectedmtomupmtom4"
26. Ifmamfloormdrainmisminstalledminmampublicmrestroom,mthemminimummsizemtrapmofmthemfloormdr
ainmallowedmism?mIPCmTablem709.1m-mCORRECTmANSWERm2"
27. Ifmamfloormdrainmwithmam3-
inchmtrapmisminstalledminmampublicmrestroom,mhowmmanymDFU'smismitmassigned?m(Themtrapmis
musedminmconjunctionmwithmhosembibsmtomwashmthemfloor)mIPCmTablem709.2m-
mCORRECTmANSWERm5
28. Restraintsmshallmbemprovidedmtompreventmmovementmofmdrainagempipem_____minmsize.mIPCm
308.7.1m-mCORRECTmANSWERmLargermthanm4minch
29. Amsandminterceptormshallmhavemamminimummwatermsealmofm_____?mIPCm1003.5m-
mCORRECTmANSWERm6"
30. ThemminimummnumbermofmplumbingmfixturesmformamgivenmfacilitymismdeterminedmbymIPCm4
03.1m-mCORRECTmANSWERmTheminternationalmplumbingmcode
31. Themminimummsizemformamresidentialmwatermheatermismdeterminedmby?mGAm506.1m-
mCORRECTmANSWERmThemInternationalmPlumbingmCode
