Backflow Prevention Practice Exam
With 100% Correct Answers
Containing va vplumbing vsystem vfrom vthe vpublic vwater vsupply vrequires vbackflow
vprotection vat vthe v_______?
A. vAppliance vor vfixture
B. vBuilding vfoundation
C. vIrrigation vsystem
D. vService vConnection
E. vSprinkler vriser v- vCORRECT✅✅Service vConnection
Backflow vpreventer vmanufacturers vrecommend vthat vassemblies vbe vfield-tested
vannually vand vwhen_____?
A. vInstalled
B. vMoved
C. vRepaired vor vInstalled
D. vShut vdown
E. vWater vsuppliers vprovide vnotice v- vCORRECT✅✅Repaired vor vInstalled
A vdifferential vpressure vgauge vreading vof v0.2 vpsid vis vrepresented von vwater vcolumn
vsight vtube vby v_____?
A. v1/16 vin. v(0.16 vcm)
B. v1/2 vin. v(1.3 vcm)
C. v2 vin. v(5.1 vcm)
D. v3.5 vin. v(8.9 vcm)
E. v5.5 vin. v(14 vcm) v- vCORRECT✅✅5.5 vin. v(14 vcm)
Pollution vof va vpublic vwater vsupply vsuggests vthe vsubstance vin vthe vwater vis v____?
A. vAesthetically vbad v
B. vBiological vwith vvirus vonly
C. vLowering vthe vpH vbelow v1.4
D. vRadiological
E. vToxic v- vCORRECT✅✅Aesthetically vbad
Backsiphonage vmay voccur vwhen vthe vpressure vinside vcopper vtubing vis v____?
A. vGreater vthan vatmospheric vpressure
B. vGreater vthan vbarometric vpressure
C. vGreater vthan v0 vgauge vpressure
D. vLess vthan vabsolute vpressure
E. vLess vthan vatmospheric vpressure v- vCORRECT✅✅Less vthan vatmospheric
vpressure
,A vcross-connection vmay vbe va vpermanent vpiping varrangement vor va(n) v____?
A. vBackflow vpreventer
B. vChurch vsymbol
C. vOSHA vhazardous varea vdesignation
D. vRailroad vand vhighway vintersection vsign v
E. vTemporary vhose vbibb vconnection v- vCORRECT✅✅Temporary vhose vbibb
vconnection
The visolation vof va vplumbing vwater vsystem vhazard vrequires____?
A. vAppliance vprotection
B. vBuilding vquarantine v
C. vHigh-hazard vprotection
D. vMeter vprotection
E. vToxin vmonitoring v- vCORRECT✅✅Appliance vprotection
A vdirect vcross-connection vsuggests vthe vpiping vsystem vmay vbe vsubjected vto v____?
A. vBackpressure vor vbacksiphonage
B. vBacksiphonage vonly
C. vPeriodic vinspection
D. vSustained vpressure
E. vToxic vmaterials v- vCORRECT✅✅Backpressure vor vbacksiphonage
A vpipe vrestriction's vflow vvelocity vincrease vmay vallow v____?
A. vAspiration
B. vBackpressure
C. vLow vturbulence
D. vPressure vhead
E. vPressure vsurges v- vCORRECT✅✅Aspiration
Water vsupply vcontamination vfrom vbackflow vmay vresult vin v____?
A. vA vbad vtaste
B. vColoration
C. vDeath v
D. vOdor vor vsmell
E. vPipe vwall vmineral vdeposit vflaking v- vCORRECT✅✅Death
To vprevent vbackflow, van vatmospheric vvacuum vbreaker vis vprimarily vdesigned vto
v____?
A. vAllow vair vinto vthe voutlet vpiping vsystem
B. vCreate van velevation vloop vabove vground
C. vIntroduce vhead vloss
D. vPrevent vbackpressure
E. vRestrict vvelocity v- vCORRECT✅✅Allow vair vinto vthe voutlet vpiping vsystem
Atmospheric vvacuum vbreakers vwill vtypically vbe vlocated von v____?
A. vCommercial virrigation vsystems
, B. vFire-suppression vsystems
C. vPlumbing vfixtures vor vappliances
D. vUtility vstorage vtanks
E. vWater vservice vconnections v- vCORRECT✅✅Plumbing vfixtures vor vappliances
The vmechanical vcomponent vof van vatmospheric vvacuum vbreaker vserves vas van vair-
inlet vvalve vand va v____?
A. vCheck vvalve
B. vRegulating vvalve
C. vRelief vvalve
D. vShut-off vvalve
E. vTest vport v- vCORRECT✅✅Check vvalve
A vdeck-mounted vatmospheric vvacuum vbreaker's vcritical vinstallation vlevel vis vabove
vthe voutlet vusage vby v___?
A. v1 vin. v(2.5 vcm) v
B. v3 vin. v(7.6 vcm)
C. v6 vin. v(15 vcm)
D. v12 vin. v(30 vcm) v
E. v18 vin. v(46 vcm) v- vCORRECT✅✅1 vin. v(2.5 vcm)
A vhose-bibb vconnection vis vrequired vto vhave va vpermanently vinstalled v____?
A. vAtmospheric vvacuum vbreaker
B. vBackflow vpreventer
C. vPressure vvacuum vbreaker
D. vShut-off vvalve
E. vSpill-resistant vvacuum vbreaker v- vCORRECT✅✅Atmospheric vvacuum vbreaker
Atmospheric vvacuum vbreakers vmust vnot vbe vsubject vto vcontinuous vwater vpressure
vfor vmore vthan v___ vhr.
A. v3
B. v6
C. v12
D. v18
E. v24 v- vCORRECT✅✅12
A vsubmerged vatmospheric vvacuum vbreaker vmay vbe vconsidered va(n) v_____?
A. vBackflow vpreventer
B. vCross-connection
C. vExpensive velbow
D. vTypical vinstallation
E. vUseful vtraining vphoto v- vCORRECT✅✅. vCross-connection
Flow vfrom vthe voutlet vof van vatmospheric vvacuum vbreaker vmust vnot vreach va v_____?
A. vClosed vtank
B. vSection vof vstraight vtubing
With 100% Correct Answers
Containing va vplumbing vsystem vfrom vthe vpublic vwater vsupply vrequires vbackflow
vprotection vat vthe v_______?
A. vAppliance vor vfixture
B. vBuilding vfoundation
C. vIrrigation vsystem
D. vService vConnection
E. vSprinkler vriser v- vCORRECT✅✅Service vConnection
Backflow vpreventer vmanufacturers vrecommend vthat vassemblies vbe vfield-tested
vannually vand vwhen_____?
A. vInstalled
B. vMoved
C. vRepaired vor vInstalled
D. vShut vdown
E. vWater vsuppliers vprovide vnotice v- vCORRECT✅✅Repaired vor vInstalled
A vdifferential vpressure vgauge vreading vof v0.2 vpsid vis vrepresented von vwater vcolumn
vsight vtube vby v_____?
A. v1/16 vin. v(0.16 vcm)
B. v1/2 vin. v(1.3 vcm)
C. v2 vin. v(5.1 vcm)
D. v3.5 vin. v(8.9 vcm)
E. v5.5 vin. v(14 vcm) v- vCORRECT✅✅5.5 vin. v(14 vcm)
Pollution vof va vpublic vwater vsupply vsuggests vthe vsubstance vin vthe vwater vis v____?
A. vAesthetically vbad v
B. vBiological vwith vvirus vonly
C. vLowering vthe vpH vbelow v1.4
D. vRadiological
E. vToxic v- vCORRECT✅✅Aesthetically vbad
Backsiphonage vmay voccur vwhen vthe vpressure vinside vcopper vtubing vis v____?
A. vGreater vthan vatmospheric vpressure
B. vGreater vthan vbarometric vpressure
C. vGreater vthan v0 vgauge vpressure
D. vLess vthan vabsolute vpressure
E. vLess vthan vatmospheric vpressure v- vCORRECT✅✅Less vthan vatmospheric
vpressure
,A vcross-connection vmay vbe va vpermanent vpiping varrangement vor va(n) v____?
A. vBackflow vpreventer
B. vChurch vsymbol
C. vOSHA vhazardous varea vdesignation
D. vRailroad vand vhighway vintersection vsign v
E. vTemporary vhose vbibb vconnection v- vCORRECT✅✅Temporary vhose vbibb
vconnection
The visolation vof va vplumbing vwater vsystem vhazard vrequires____?
A. vAppliance vprotection
B. vBuilding vquarantine v
C. vHigh-hazard vprotection
D. vMeter vprotection
E. vToxin vmonitoring v- vCORRECT✅✅Appliance vprotection
A vdirect vcross-connection vsuggests vthe vpiping vsystem vmay vbe vsubjected vto v____?
A. vBackpressure vor vbacksiphonage
B. vBacksiphonage vonly
C. vPeriodic vinspection
D. vSustained vpressure
E. vToxic vmaterials v- vCORRECT✅✅Backpressure vor vbacksiphonage
A vpipe vrestriction's vflow vvelocity vincrease vmay vallow v____?
A. vAspiration
B. vBackpressure
C. vLow vturbulence
D. vPressure vhead
E. vPressure vsurges v- vCORRECT✅✅Aspiration
Water vsupply vcontamination vfrom vbackflow vmay vresult vin v____?
A. vA vbad vtaste
B. vColoration
C. vDeath v
D. vOdor vor vsmell
E. vPipe vwall vmineral vdeposit vflaking v- vCORRECT✅✅Death
To vprevent vbackflow, van vatmospheric vvacuum vbreaker vis vprimarily vdesigned vto
v____?
A. vAllow vair vinto vthe voutlet vpiping vsystem
B. vCreate van velevation vloop vabove vground
C. vIntroduce vhead vloss
D. vPrevent vbackpressure
E. vRestrict vvelocity v- vCORRECT✅✅Allow vair vinto vthe voutlet vpiping vsystem
Atmospheric vvacuum vbreakers vwill vtypically vbe vlocated von v____?
A. vCommercial virrigation vsystems
, B. vFire-suppression vsystems
C. vPlumbing vfixtures vor vappliances
D. vUtility vstorage vtanks
E. vWater vservice vconnections v- vCORRECT✅✅Plumbing vfixtures vor vappliances
The vmechanical vcomponent vof van vatmospheric vvacuum vbreaker vserves vas van vair-
inlet vvalve vand va v____?
A. vCheck vvalve
B. vRegulating vvalve
C. vRelief vvalve
D. vShut-off vvalve
E. vTest vport v- vCORRECT✅✅Check vvalve
A vdeck-mounted vatmospheric vvacuum vbreaker's vcritical vinstallation vlevel vis vabove
vthe voutlet vusage vby v___?
A. v1 vin. v(2.5 vcm) v
B. v3 vin. v(7.6 vcm)
C. v6 vin. v(15 vcm)
D. v12 vin. v(30 vcm) v
E. v18 vin. v(46 vcm) v- vCORRECT✅✅1 vin. v(2.5 vcm)
A vhose-bibb vconnection vis vrequired vto vhave va vpermanently vinstalled v____?
A. vAtmospheric vvacuum vbreaker
B. vBackflow vpreventer
C. vPressure vvacuum vbreaker
D. vShut-off vvalve
E. vSpill-resistant vvacuum vbreaker v- vCORRECT✅✅Atmospheric vvacuum vbreaker
Atmospheric vvacuum vbreakers vmust vnot vbe vsubject vto vcontinuous vwater vpressure
vfor vmore vthan v___ vhr.
A. v3
B. v6
C. v12
D. v18
E. v24 v- vCORRECT✅✅12
A vsubmerged vatmospheric vvacuum vbreaker vmay vbe vconsidered va(n) v_____?
A. vBackflow vpreventer
B. vCross-connection
C. vExpensive velbow
D. vTypical vinstallation
E. vUseful vtraining vphoto v- vCORRECT✅✅. vCross-connection
Flow vfrom vthe voutlet vof van vatmospheric vvacuum vbreaker vmust vnot vreach va v_____?
A. vClosed vtank
B. vSection vof vstraight vtubing
