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Backflow Prevention Practice Exam Questions with Correct Answers 100% Pass

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Backflow Prevention Practice Exam Questions with Correct Answers 100% Pass

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Backflow Prevention Practice Exam
Questions with Correct Answers 100% Pass
1. ContainingRaRplumbingRsystemRfromRtheRpublicRwaterRsupplyRrequiresRbackflowRprotection
RatRtheR_______?


A. ApplianceRorRfixture
B. BuildingRfoundation
C. IrrigationRsystem
D. ServiceRConnection
E. SprinklerRriserR-RCORRECTRANSWERR-ServiceRConnection



2. BackflowRpreventerRmanufacturersRrecommendRthatRassembliesRbeRfield-
testedRannuallyRandRwhen_____?
A. Installed
B. Moved
C. RepairedRorRInstalled
D. ShutRdown
E. WaterRsuppliersRprovideRnoticeR-RCORRECTRANSWERR-RepairedRorRInstalled



3. ARdifferentialRpressureRgaugeRreadingRofR0.2RpsidRisRrepresentedRonRwaterRcolumnRsightRtu
beRbyR_____?
A. 1/16Rin.R(0.16Rcm)
B. 1/2Rin.R(1.3Rcm)
C. 2Rin.R(5.1Rcm)
D. 3.5Rin.R(8.9Rcm)
E. 5.5Rin.R(14Rcm)R-RCORRECTRANSWERR-5.5Rin.R(14Rcm)



4. PollutionRofRaRpublicRwaterRsupplyRsuggestsRtheRsubstanceRinRtheRwaterRisR____?
A. AestheticallyRbadR
B. BiologicalRwithRvirusRonly
C. LoweringRtheRpHRbelowR1.4
D. Radiological
E. ToxicR-RCORRECTRANSWERR-AestheticallyRbad

,5. BacksiphonageRmayRoccurRwhenRtheRpressureRinsideRcopperRtubingRisR____?
A. GreaterRthanRatmosphericRpressure
B. GreaterRthanRbarometricRpressure
C. GreaterRthanR0RgaugeRpressure
D. LessRthanRabsoluteRpressure
E. LessRthanRatmosphericRpressureR-RCORRECTRANSWERR-
LessRthanRatmosphericRpressure



6. ARcross-connectionRmayRbeRaRpermanentRpipingRarrangementRorRa(n)R____?
A. BackflowRpreventer
B. ChurchRsymbol
C. OSHARhazardousRareaRdesignation
D. RailroadRandRhighwayRintersectionRsignR
E. TemporaryRhoseRbibbRconnectionR-RCORRECTRANSWERR-
TemporaryRhoseRbibbRconnection



7. TheRisolationRofRaRplumbingRwaterRsystemRhazardRrequires____?
A. ApplianceRprotection
B. BuildingRquarantineR
C. High-hazardRprotection
D. MeterRprotection
E. ToxinRmonitoringR-RCORRECTRANSWERR-ApplianceRprotection



8. ARdirectRcross-connectionRsuggestsRtheRpipingRsystemRmayRbeRsubjectedRtoR____?
A. BackpressureRorRbacksiphonage
B. BacksiphonageRonly
C. PeriodicRinspection
D. SustainedRpressure
E. ToxicRmaterialsR-RCORRECTRANSWERR-BackpressureRorRbacksiphonage



9. ARpipeRrestriction'sRflowRvelocityRincreaseRmayRallowR____?
A. Aspiration
B. Backpressure

, C. LowRturbulence
D. PressureRhead
E. PressureRsurgesR-RCORRECTRANSWERR-Aspiration



10. WaterRsupplyRcontaminationRfromRbackflowRmayRresultRinR____?
A. ARbadRtaste
B. Coloration
C. DeathR
D. OdorRorRsmell
E. PipeRwallRmineralRdepositRflakingR-RCORRECTRANSWERR-Death



11. ToRpreventRbackflow,RanRatmosphericRvacuumRbreakerRisRprimarilyRdesignedRtoR____?
A. AllowRairRintoRtheRoutletRpipingRsystem
B. CreateRanRelevationRloopRaboveRground
C. IntroduceRheadRloss
D. PreventRbackpressure
E. RestrictRvelocityR-RCORRECTRANSWERR-AllowRairRintoRtheRoutletRpipingRsystem



12. AtmosphericRvacuumRbreakersRwillRtypicallyRbeRlocatedRonR____?
A. CommercialRirrigationRsystems
B. Fire-suppressionRsystems
C. PlumbingRfixturesRorRappliances
D. UtilityRstorageRtanks
E. WaterRserviceRconnectionsR-RCORRECTRANSWERR-PlumbingRfixturesRorRappliances



13. TheRmechanicalRcomponentRofRanRatmosphericRvacuumRbreakerRservesRasRanRair-
inletRvalveRandRaR____?
A. CheckRvalve
B. RegulatingRvalve
C. ReliefRvalve
D. Shut-offRvalve
E. TestRportR-RCORRECTRANSWERR-CheckRvalve

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