MEDICAL GAS NFPA 99 EXAM QUESTIONS
AND CORRECT ANSWERS LATEST UPDATE
2026/2027 GRADED A+.
NitrousAoxideAcylindersAshallAbeApreventedAfromAreachingAtemperatur
esAinAexcessAof.A-AcorrectAanswers125AdegreesAF
CarbonAdioxideAcylindersAshallAbeApreventedAfromAreachingAtemperta
uresAbelow.A-AcorrectAanswers20AdegreesAF
CentralAsupplyAsystemsAforApositiveApressureAgassesAshallAhaveAoneAorA
moreAreliefAvalvesAwithAtheAreliefAsettingAaboveAnromalAoperatingApre
ssure.A-AcorrectAanswers50%
ActivitiesA,AsystemsA,AorAequipmentAwhoseAfailureAisAlikelyAtoAcauseAma
jorAinjuryAorAdeathAofApatients,Astaff,AorAvisitors.A
correctAanswersCategoryA1
Activities,Asystems,AorAequipmentAwhoseAfailureAisAlikelyAtoAcauseAmin
orAinjuryAtoApatients,Asta ff,AorAvisitors.A-AcorrectAanswersCategoryA2
Activities,Asystems,AorAequipmentAwhoseAfailureAisAnotAlikelyAtoAcauseAi
njuryAtoApatients,Astaff,A
orAvisitorsAbutAcanAcauseAdiscomfort.AAcorrectAanswersCategoryA3
,Activites,Asystems,AorAequipmentAwhoseAfailureAwouldAhaveAnoAimpac
tAonApatientAcare.AAcorrectAanswersCategoryA4
AlternativeAairAforAMedicalAAirAcompressorAintakesAmustAbeAatAhandA7A
daysAperAweekAandAho
wAmanyAhoursAperAday.AAcorrectAanswers24Ahours
MoistureAconcentrationAofAoutletsAduringAtheAverifierAPipingAPurityATe
stAshallAnotAexceedAthisA ppm.A-AcorrectAanswers500Appm
TheAlocalAalarmAofAtheAMedialAAirAshallAactivateAwhenAtheAdewApointAi
sAoverAtheAtemperature. A-AcorrectAanswers35AdegressAF
TheAMasterAAlarmAwillAactivateAwhenAtheAmedicalAgasAlineAnormalApre
ssureAincreasesAorAdecr
easesAbyAthisApercentageAamount.AAcorrectAanswers20%
ThisAisAtheAapproximateApercentageAofAtheAearth'sAatmosphereAthatAisA
oxygen.A-
A correctAanswers21%
CompletedAManufacturedAAssesmbliesAbeingAtestedAatA20%AaboveAop
eratingApressureAshallAn
otAexceedthisApercentageAforAleakage?AAcorrectAanswers0.5%
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MaximumAoxygenApercentageAcontentAinAaAMedicalAAirAProportioningA
systemAshallAbeAnoAhigh erAthan?A-AcorrectAanswers23.5%
AND CORRECT ANSWERS LATEST UPDATE
2026/2027 GRADED A+.
NitrousAoxideAcylindersAshallAbeApreventedAfromAreachingAtemperatur
esAinAexcessAof.A-AcorrectAanswers125AdegreesAF
CarbonAdioxideAcylindersAshallAbeApreventedAfromAreachingAtemperta
uresAbelow.A-AcorrectAanswers20AdegreesAF
CentralAsupplyAsystemsAforApositiveApressureAgassesAshallAhaveAoneAorA
moreAreliefAvalvesAwithAtheAreliefAsettingAaboveAnromalAoperatingApre
ssure.A-AcorrectAanswers50%
ActivitiesA,AsystemsA,AorAequipmentAwhoseAfailureAisAlikelyAtoAcauseAma
jorAinjuryAorAdeathAofApatients,Astaff,AorAvisitors.A
correctAanswersCategoryA1
Activities,Asystems,AorAequipmentAwhoseAfailureAisAlikelyAtoAcauseAmin
orAinjuryAtoApatients,Asta ff,AorAvisitors.A-AcorrectAanswersCategoryA2
Activities,Asystems,AorAequipmentAwhoseAfailureAisAnotAlikelyAtoAcauseAi
njuryAtoApatients,Astaff,A
orAvisitorsAbutAcanAcauseAdiscomfort.AAcorrectAanswersCategoryA3
,Activites,Asystems,AorAequipmentAwhoseAfailureAwouldAhaveAnoAimpac
tAonApatientAcare.AAcorrectAanswersCategoryA4
AlternativeAairAforAMedicalAAirAcompressorAintakesAmustAbeAatAhandA7A
daysAperAweekAandAho
wAmanyAhoursAperAday.AAcorrectAanswers24Ahours
MoistureAconcentrationAofAoutletsAduringAtheAverifierAPipingAPurityATe
stAshallAnotAexceedAthisA ppm.A-AcorrectAanswers500Appm
TheAlocalAalarmAofAtheAMedialAAirAshallAactivateAwhenAtheAdewApointAi
sAoverAtheAtemperature. A-AcorrectAanswers35AdegressAF
TheAMasterAAlarmAwillAactivateAwhenAtheAmedicalAgasAlineAnormalApre
ssureAincreasesAorAdecr
easesAbyAthisApercentageAamount.AAcorrectAanswers20%
ThisAisAtheAapproximateApercentageAofAtheAearth'sAatmosphereAthatAisA
oxygen.A-
A correctAanswers21%
CompletedAManufacturedAAssesmbliesAbeingAtestedAatA20%AaboveAop
eratingApressureAshallAn
otAexceedthisApercentageAforAleakage?AAcorrectAanswers0.5%
, Thank you for Purchasing this exam
Study Guide. We provide high-quality
academic materials to help students
excel in exams. Our other Services
include but not limited to: academic
research, University & College
assignments writing, essay writing,
Online Classes, and research projects.
Our services are reliable, affordable,
and plagiarism-free. All the Best in
your Exam. For more information;
Contact us at:
or
0R +254
741484450
MaximumAoxygenApercentageAcontentAinAaAMedicalAAirAProportioningA
systemAshallAbeAnoAhigh erAthan?A-AcorrectAanswers23.5%
