QUESTIONS WITH CORRECT
ANSWERS 2025/2026
UnitsAofApressureA-AcorrectAanswersPsi
kPa
cmAH20
mmHg
1AatmA=A-AcorrectAanswers100AkPa
760AmmHg
14.7Apsi
pressureAindicatorA-AcorrectAanswersgaugeAthatAmeasuresApressureA(usuallyAinApsiAandAkPa)
-mostAgaugesAareAsetAtoAreadA0AatAatmosphericApressure
AtmosphericAcompositionA-AcorrectAanswersNitrogenA-A78.084%
OxygenA-A20.95%
ArgonA-A0.934%
CarbonADioxideA-A0.036%
UnitedAStatesAPharmacopoeiaA(enforcedAbyAFDA)A-
AcorrectAanswersregulatesApurityAofAmedicalAgases
DOTAandATransportACanadaA-AcorrectAanswers-
maintainsArequirementsAforAmanufacturing,Amarking,Alabeling,Afilling,Aqualification,Atransport
ation,Astorage,Ahandling,Amaintenance,Arequalification,AandAdispositionAofAmedicalAgasAcylinde
rsAandAcontainers
DepartmentAofALaborAandAOSHAA-AcorrectAanswers-
safetyAandAhealthAofAemployeesAinAallAindustries
NationalAFireAProtectionAAssociationAandACompressedAGasAAssociationA-AcorrectAanswers-
contributeAtoAsafetyAstandards
NonliquefiedAcompressedAgasesA-
AcorrectAanswersgasesAthatAdon'tAliquefyAatAambientAtemperatureAregardlessAofAtheAamountAo
fApressureAapplied
, whatAwillAtheApressureAgaugeAofAnonliquefiedAgasesAreadA-
AcorrectAanswerstheAactualApressureAofAtheAgasAinAtheAcontainer
examplesAofAnonliquefiedAcompressedAgasesA-AcorrectAanswersNitrogen
Oxygen
Air
Helium
*theyAareAinAgasAformAinAtheAtank*
LiquefiedACompressedAGasesA-
AcorrectAanswerslargelyAinAliquidAformAinAcontainersAatAambientAtemperatureAandApressuresA(2
5-1500Apsig)
whatAwillAtheApressureAgaugeAofAliquefiedAcompressedAgasesAreadA-
AcorrectAanswersgasesAstoredApartiallyAinAliquidAformAdisplayAaAconstantApressureAuntilAtheAliq
uidAevaporates;AcylinderApressureAgaugeAthenAdecreasesAinAproportionAtoArateAofAgasAexpelled
AuntilAtankAisAempty
-example:AnitrousAoxideAgaugeAwillAreadA745ApsiAuntilAliquidAisAalmostAgoneA(1/4Aleft)
HowAcanAyouAtellAhowAmuchAliquefiedAcompressedAgasAisAinAaAcontainerA-
AcorrectAanswersyouAhaveAtoAweighAit
examplesAofAliquefiedAcompressedAgasA-AcorrectAanswersnitrousAoxide
carbonAdioxide
fillingAdensityA-
AcorrectAanswersratioAofAtheAweightAofAtheAgasAinAaAcontainerAtoAtheAweightAofAwaterAtheAcont
ainerAholds
-percentageAofAcylinderAvolumeAoccupiedAbyAliquefiedAgas
-preventsAoverAfillingAofAcylinderAwithAliquefiedAgas
bodyAofAcylinderA-AcorrectAanswerscomposedAofAsteelAorAotherAalloys
whatAdoesAtheAbodyAneedAtoAmadeAofAtoAbeAMRIAcompatibleA-AcorrectAanswersaluminum
ValveAofAcylinderA-AcorrectAanswers-whereAcylindersAareAfilledA
-cylindersAareAdischargedAviaAvalveAattachedAtoAneck
whatApartAofAtheAcylinderAcanAeasilyAbreak?A-
AcorrectAanswersvalveA(contentsAcanAbeAreleasedAandAcylinderAbecomesAaAdangerousAprojectil
eAobject)