MEDICAL GAS 6010 INSTALLERS PRACTICE TEST QUESTIONS WITH CORRECT ANSWERS 2025

MEDICAL GAS 6010 INSTALLERS
PRACTICE TEST QUESTIONS WITH
CORRECT ANSWERS 2025/2026
AnAexistingAsystemAthatAisAnotAinAstrictAcomplianceAwithAtheAprovisionsAofAthisAcodeAshallAbeAp
ermittedAtoAbeAcontinuedAinAuseAasAlongAasAtheA_AhasAdeterminedAthatAsuchAuseAdoesAnotAcon
stituteAaAdistinctAhazardAtoAlife.AA)AarchitectAB)AauthorityAhavingAjurisdictionAC)AengineerAD)Anu
rsingAstaffA-AcorrectAanswersB)AauthorityAhavingAjurisdiction

CylinderAandAcryogenicAliquidAcontainerAoutletAconnectionsAshallAbeAdesignedAasAtoArenderAth
eAattachmentApointA_AwhenAremovalAofAtheAoutletAconnectionAisAattempted.AA)AreusableAB)Aun
usableAC)AunsuitableAD)AuniversalA-AcorrectAanswersB)Aunusable

CylindersAinAuseAandAinAstorageAshallAbeApreventedAfromAreachingAtemperaturesAinAexcessAofA_
A*F.AA)A120AB)A125AC)A130AD)A135A-AcorrectAanswersB)A125



NitrousAoxideAandAcarbonAdioxideAusingAcylindersAorAportableAcontainersAshallAbeApreventedAf
romAreachingAtemperaturesAlowerAthanA_A*FAA)A130AB)125AC)A20AD)A-20A-AcorrectAanswersC)20

WhichAofAtheAfollowingAsystemsAshallAnotAbeApermittedAtoAbeAlocatedAinAanAoutdoorAenclosure
?AA)AbulkAcryogenicAliquidAcylindersAB)AmanifoldsAforAgasAcylindersAC)AmanifoldsAforAcryogenicAl
iquidAcontainersAD)AmedicalAairAsourcesA-AcorrectAanswersD)AmedicalAairAsources

IndoorAlocationsAforAoxygen,AnitrousAoxide,AandAmixturesAofAtheseAgasesAshallAnotAcommunica
teAwithAanyAofAtheAfollowingAexceptA_?AA)AareaAwithAopenAflamesAB)AdesignatedAstorageAareaAC
)AenginesAD)AkitchensA-AcorrectAanswersB)AdesignatedAstorageAarea

LocationsAforAcentralAsupplyAsystemsAshallAhaveA_AdevicesAprotectedAfromAphysicalAdamage?AA
)AelectricalAB)ApressureAindicatingAC)AregulatingAD)AreliefA-AcorrectAanswersA)Aelectrical

OutdoorAlocationsAsurroundedAbyAimpermeableAwalls,AexceptAfireAbarrierAwalls,AshallAhaveApr
otectedAventilationAopeningsAatAtheA_AofAeachAwallAtoAallowAfreeAcirculationAofAairAwithinAtheAe
nclosure?AA)AbaseAB)Acorner)AC)AmiddleAD)AtopA-AcorrectAanswersA)Abase

AllApositiveApressureAsupplyAsystemsAshallAbeAprovidedAwithAduplexAlineApressureAregulatorsApi
pedAinA_?AA)AcircuitAB)AloopAC)AparallelAD)AseriesA-AcorrectAanswersC)Aparallel

AllApressureAreliefAvalvesAshallAbeAmadeAofAbrass,Abronze,AorA_?AA)AcarbonAsteelAB)AcastAironAC)A
copperAD)AstainlessAsteelA-AcorrectAanswersD)AstainlessAsteel

CentralAsupplyAsystemsAforApositiveApressureAgasesAshallAhaveAoneAorAmoreAreliefAvalves,AtheAv
alvesAshallAhaveAaAreliefAsettingAthatAisA_%AaboveAnormalAworkingAoperatingApressure?AA)A30AB
)A40AC)A50AD)A60A-AcorrectAanswersC)A50

WhenAventedAtoAtheAoutside,AreliefAvalveAventAlinesAshallAbeAlabeledAinAwhichAway?AA)Aadhesiv
eAmarkersAB)AanyAmannerAthatAwillAdistinguishAthemAfromAtheAmedicalAgasApipelineAC)Astencili

,ngAD)AstickersA-
AcorrectAanswersB)AanyAmannerAthatAwillAdistinguishAthemAfromAtheAmedicalAgasApipeline



AnAauxiliaryAsourceAconnectionAshallAconsistAofAallAofAtheAfollowingAexcept?AA)AremovableAplug
AorAcapAB)AteeAC)AvalveAD)AvisualApressureAindicatorA-


AcorrectAanswersD)AvisualApressureAindicator



InAcentralAsupplyAsystemsAusingAgasAorAliquidAcylinders,AeachAheaderAshallAhaveAaA_AtoApreventA
debrisAfromAenteringAtheAmanifoldAcontrols?AA)AcheckAvalveAB)AfilterAC)AmonitorAD)AreliefAvalve
A-AcorrectAanswersB)Afilter



ManifoldsAforAgasAcylindersAshallAconsistAofAtwoAequalAheaders,AeachAwithAenoughAcylindersAfo
rAanAaverageAday'sAsupply,AbutAnotAfewerAthanA_Aconnections?AA)A5AB)A4AC)A3AD)A2A-
AcorrectAanswersD)A2



ManifoldsAforAgasAcylindersAshallAhaveAa(n)A_AsignalAthatAvisiblyAindicatesAtheAoperatingAstatusA
ofAtheAequipmentAandAshallAactivateAanAindicatorAatAallAmasterAalarmApanelsAwhenAorAjustAbef
oreAchangeoverAfromAoneAheaderAtoAtheAotherAtakesAplace?AA)AareaAB)AmasterAC)AlocalAD)Azon
eA-AcorrectAanswersC)Alocal

WhenAmultipleAbuildingsAareAservedAfromAaAsingleAcryogenicAliquidAoxygenAsource,AitAisArequir
edAtoAplaceAtheAemergencyAoxygenAsupplyAconnectionAinA_A?AA)AeachAbuildingAservedAB)AtheAb
uildingAclosestAtoAtheAsourceAC)AtheAlargestAbuildingAservedAD)AtheAmainAbuildingAonlyA-
AcorrectAanswersA)AeachAbuildingAserved



TheAminimumAclearanceAaroundAEOSCAforAaAtemporaryAsourceAofAsupplyAisA_Aft?AA)A2AB)A3AC)A5A
D)A6A-AcorrectAanswersB)A3

A(n)A_AemergencyAreserveAsystemAcanAbeAsubstitutedAforAtheAEOSC?AA)AauxiliaryAB)AbackupAC)A
in-buildingAD)Amicro-bulkA-AcorrectAanswersC)Ain-building

TheAqualityAmedicalAairAshallAcomplyAwithAallAofAtheAfollowingAstandardsAexcept?AA)AbeAfiltered
AtoA.01AmicronsAB)AhaveAlessAthanA25AppmAgaseousAhydrocarbonsAC)AhaveAnoAdetectableAhydro


carbonsAD)AmeetAtheArequirementsAofAmedicalAairAUSPA-
AcorrectAanswersA)AbeAfilteredAtoA.01Amicrons



MedicalAairAsourcesAshallAonlyAbeAusedAforA_A?AA)Aair-
operatingAdevicesAB)AhumanArespiratoryAapplicationsAC)AinstrumentAairAD)AWAGDA-
AcorrectAanswersB)AhumanArespiratoryAapplications



MedicalAairAcompressorAsystemsAshallAhaveAaApressureAreliefAvalveAsetAatA_ApercentAaboveAline
Apressure?AA)A20AB)A30AC)A40AD)A50A-AcorrectAanswersD)A50



MedicalAairAcompressorAsystemsAshallAhaveAanAautomaticAmeansAtoApreventA_AfromAallAon-
cycleAcompressorsAthroughAallAoff-
cycleAcompressors?AA)AbackfireAB)AbackflowAC)AbackApressureAD)AbackupA-
AcorrectAanswersB)Abackflow

, ReciprocatingAcompressorsAthatAemployAtheAuseAofAoilAcanAbeAusedAforAmedicalAairAasAlongAasA
theAoil-
containingAsectionAisAseparatedAfromAtheAcompressionAchamberAbyAatAleastA_AsealsAcreatingAa
nAareaAopenAtoAtheAatmosphere?AA)A2AB)A3AC)A4AD)A5A-AcorrectAanswersA)A2

WhenAliquidAringAcompressorsAareAbeingAusedAtoAserviceAwaterAandAsealAwaterAshallAbeAtreate
dAtoAcontrolAwaterborneApathogensAandAchlorineA(fromA_)AfromAenteringAtheAmedicalAair?AA)A
deionizationAB)AhyperchlorinationAC)AhypochlorinationAD)AionizationA-
AcorrectAanswersC)Ahypochlorination



AftercoolersAshallAbeAprovidedAwithAindividualA_A?AA)AcondensateAtrapsAB)AflexibleAconnectorsA
C)ApressureAindicatorsAD)AtemperatureAindicatorsA-AcorrectAanswersA)AcondensateAtraps

RecieversAforAmedicalAairAshallAnotAbeAequippedAwithA_A?AA)AaAsightAglassAB)AaAtemperatureAind
icatorAC)AautomaticAandAmanualAdrainsAD)AreliefAvalvesA-
AcorrectAanswersB)AaAtemperatureAindicator



MedicalAairAfiltersAshallAbeAlocatedAimmediatelyAupstreamA(sourceAside)AofAtheA_A?AA)Aaftercool
ersAB)AfinalAlineAregulatorAC)ApressureAindicatorAD)ArecieverA-
AcorrectAanswersB)AfinalAlineAregulator



MedicalAairAfiltersAshallAbeAsizedAforA100%AofAtheAsystemApeakAcalculatedAdemandAandAbeArate
sAforAaAminimumAofA98%AefficiencyAatA_AmicronAorAgreater?AA)A.01AB)A1AC)A5AD)A10A-
AcorrectAanswersB)A1



MedicalAairArecieversAshallAbeAprovidedAwithAproperAvalvesAthatAallowAtheAreceiverAtoAbeA_Adur
ingAserviceAwithoutAshuttingAdownAtheAsupplyAofAmedicalAair?AA)AbypassedAB)AfilledAC)AonlineA
D)ApressurizedA-AcorrectAanswersA)Abypassed

InAaAmedicalAairAsupplyAsystemAdryers,Afilters,AandAregulatorsAshallAbeA_A?AA)AatAleastAduplexedA
B)AatAleastAsimplexedAC)AdownstreamAofAtheAsourceAvalveAD)AupstreamAofAtheAaftercoolersA-
AcorrectAanswersA)AatAleastAduplexed



MedicalAairAshallAbeAsampledAatA1/4"ANPSAvalvedAsampleAportAupstreamAofAtheA_A?AA)AdewApoi
ntAmonitorAB)AcarbonAmonoxideAmonitorAC)AfinalAlineAregulatorAD)AsourceAvalveA-
AcorrectAanswersD)AsourceAvalve



WhereAmedicalAairApipingAsystemsAatAdifferentAoperatingApressuresAareArequired,AtheApipingAs
hallAseparateAafterAtheA_A?AA)AfiltersAB)AfinalAlineAregulatorsAC)AreliefAvalveAD)AsourceAvalveA-
AcorrectAanswersA)Afilters



TheAmedicalAairAintakeAshallAbeAlocatedAoutdoorsAaAminimumAofA_AftAaboveAgroundAlevel?AA)A1
0AB)A15AC)A20AD)A25A-AcorrectAanswersC)A20

TheAmedicalAairAintakeAshallAbeAlocatedAaAminimumAofA_AftAfromAallAexhaustsAorAotherAnoxiousA
fumes?AA)A10AB)A15AC)A20AD)A25A-AcorrectAanswersD)A25