MEDICAL GAS 6010 INSTALLERS
PRACTICE TEST QUESTIONS AND
VERIFIED ANSWERS
AnA2existingA2systemA2thatA2isA2notA2inA2strictA2complianceA2withA2theA2provisionsA2ofA2this
A2codeA2shallA2beA2permittedA2toA2beA2continuedA2inA2useA2asA2longA2asA2theA2_A2hasA2det
erminedA2thatA2suchA2useA2doesA2notA2constituteA2aA2distinctA2hazardA2toA2life.A2A)A2archit
ectA2B)A2authorityA2havingA2jurisdictionA2C)A2engineerA2D)A2nursingA2staffA2-A2Ans--
B)A2authorityA2havingA2jurisdiction
CylinderA2andA2cryogenicA2liquidA2containerA2outletA2connectionsA2shallA2beA2designedA2a
sA2toA2renderA2theA2attachmentA2pointA2_A2whenA2removalA2ofA2theA2outletA2connectionA2is
A2attempted.A2A)A2reusableA2B)A2unusableA2C)A2unsuitableA2D)A2universalA2-A2Ans--
B)A2unusable
CylindersA2inA2useA2andA2inA2storageA2shallA2beA2preventedA2fromA2reachingA2temperatur
esA2inA2excessA2ofA2_A2*F.A2A)A2120A2B)A2125A2C)A2130A2D)A2135A2-A2Ans--B)A2125
NitrousA2oxideA2andA2carbonA2dioxideA2usingA2cylindersA2orA2portableA2containersA2shallA2
beA2preventedA2fromA2reachingA2temperaturesA2lowerA2thanA2_A2*FA2A)A2130A2B)125A2C)A2
20A2D)A2-20A2-A2Ans--C)20
WhichA2ofA2theA2followingA2systemsA2shallA2notA2beA2permittedA2toA2beA2locatedA2inA2anA2o
utdoorA2enclosure?
A2A)A2bulkA2cryogenicA2liquidA2cylindersA2B)A2manifoldsA2forA2gasA2cylindersA2C)A2manifold
sA2forA2cryogenicA2liquidA2containersA2D)A2medicalA2airA2sourcesA2-A2Ans--
D)A2medicalA2airA2sources
IndoorA2locationsA2forA2oxygen,A2nitrousA2oxide,A2andA2mixturesA2ofA2theseA2gasesA2shallA
2notA2communicateA2withA2anyA2ofA2theA2followingA2exceptA2_?
A2A)A2areaA2withA2openA2flamesA2B)A2designatedA2storageA2areaA2C)A2enginesA2D)A2kitche
nsA2-A2Ans--B)A2designatedA2storageA2area
LocationsA2forA2centralA2supplyA2systemsA2shallA2haveA2_A2devicesA2protectedA2fromA2phy
sicalA2damage?A2A)A2electricalA2B)A2pressureA2indicatingA2C)A2regulatingA2D)A2reliefA2-
A2Ans--A)A2electrical
OutdoorA2locationsA2surroundedA2byA2impermeableA2walls,A2exceptA2fireA2barrierA2walls,A2
shallA2haveA2protectedA2ventilationA2openingsA2atA2theA2_A2ofA2eachA2wallA2toA2allowA2freeA
2circulationA2ofA2airA2withinA2theA2enclosure?
A2A)A2baseA2B)A2corner)A2C)A2middleA2D)A2topA2-A2Ans--A)A2base
,AllA2positiveA2pressureA2supplyA2systemsA2shallA2beA2providedA2withA2duplexA2lineA2press
ureA2regulatorsA2pipedA2inA2_?A2A)A2circuitA2B)A2loopA2C)A2parallelA2D)A2seriesA2-A2Ans--
C)A2parallel
AllA2pressureA2reliefA2valvesA2shallA2beA2madeA2ofA2brass,A2bronze,A2orA2_?
A2A)A2carbonA2steelA2B)A2castA2ironA2C)A2copperA2D)A2stainlessA2steelA2-A2Ans--
D)A2stainlessA2steel
CentralA2supplyA2systemsA2forA2positiveA2pressureA2gasesA2shallA2haveA2oneA2orA2moreA2r
eliefA2valves,A2theA2valvesA2shallA2haveA2aA2reliefA2settingA2thatA2isA2_
%A2aboveA2normalA2workingA2operatingA2pressure?A2A)A230A2B)A240A2C)A250A2D)A260A2-
A2Ans--C)A250
WhenA2ventedA2toA2theA2outside,A2reliefA2valveA2ventA2linesA2shallA2beA2labeledA2inA2which
A2way?
A2A)A2adhesiveA2markersA2B)A2anyA2mannerA2thatA2willA2distinguishA2themA2fromA2theA2me
dicalA2gasA2pipelineA2C)A2stencilingA2D)A2stickersA2-A2Ans--
B)A2anyA2mannerA2thatA2willA2distinguishA2themA2fromA2theA2medicalA2gasA2pipeline
AnA2auxiliaryA2sourceA2connectionA2shallA2consistA2ofA2allA2ofA2theA2followingA2except?
A2A)A2removableA2plugA2orA2capA2B)A2teeA2C)A2valveA2D)A2visualA2pressureA2indicatorA2-
A2Ans--D)A2visualA2pressureA2indicator
InA2centralA2supplyA2systemsA2usingA2gasA2orA2liquidA2cylinders,A2eachA2headerA2shallA2ha
veA2aA2_A2toA2preventA2debrisA2fromA2enteringA2theA2manifoldA2controls?
A2A)A2checkA2valveA2B)A2filterA2C)A2monitorA2D)A2reliefA2valveA2-A2Ans--B)A2filter
ManifoldsA2forA2gasA2cylindersA2shallA2consistA2ofA2twoA2equalA2headers,A2eachA2withA2en
oughA2cylindersA2forA2anA2averageA2day'sA2supply,A2butA2notA2fewerA2thanA2_A2connection
s?A2A)A25A2B)A24A2C)A23A2D)A22A2-A2Ans--D)A22
ManifoldsA2forA2gasA2cylindersA2shallA2haveA2a(n)A2_A2signalA2thatA2visiblyA2indicatesA2theA
2operatingA2statusA2ofA2theA2equipmentA2andA2shallA2activateA2anA2indicatorA2atA2allA2mast
erA2alarmA2panelsA2whenA2orA2justA2beforeA2changeoverA2fromA2oneA2headerA2toA2theA2oth
erA2takesA2place?A2A)A2areaA2B)A2masterA2C)A2localA2D)A2zoneA2-A2Ans--C)A2local
WhenA2multipleA2buildingsA2areA2servedA2fromA2aA2singleA2cryogenicA2liquidA2oxygenA2sou
rce,A2itA2isA2requiredA2toA2placeA2theA2emergencyA2oxygenA2supplyA2connectionA2inA2_A2?
A2A)A2eachA2buildingA2servedA2B)A2theA2buildingA2closestA2toA2theA2sourceA2C)A2theA2larges
tA2buildingA2servedA2D)A2theA2mainA2buildingA2onlyA2-A2Ans--A)A2eachA2buildingA2served
TheA2minimumA2clearanceA2aroundA2EOSCA2forA2aA2temporaryA2sourceA2ofA2supplyA2isA2_
A2ft?A2A)A22A2B)A23A2C)A25A2D)A26A2-A2Ans--B)A23
A(n)A2_A2emergencyA2reserveA2systemA2canA2beA2substitutedA2forA2theA2EOSC?
A2A)A2auxiliaryA2B)A2backupA2C)A2in-buildingA2D)A2micro-bulkA2-A2Ans--C)A2in-building
, TheA2qualityA2medicalA2airA2shallA2complyA2withA2allA2ofA2theA2followingA2standardsA2excep
t?
A2A)A2beA2filteredA2toA2.01A2micronsA2B)A2haveA2lessA2thanA225A2ppmA2gaseousA2hydrocar
bonsA2C)A2haveA2noA2detectableA2hydrocarbonsA2D)A2meetA2theA2requirementsA2ofA2medi
calA2airA2USPA2-A2Ans--A)A2beA2filteredA2toA2.01A2microns
MedicalA2airA2sourcesA2shallA2onlyA2beA2usedA2forA2_A2?A2A)A2air-
operatingA2devicesA2B)A2humanA2respiratoryA2applicationsA2C)A2instrumentA2airA2D)A2WA
GDA2-A2Ans--B)A2humanA2respiratoryA2applications
MedicalA2airA2compressorA2systemsA2shallA2haveA2aA2pressureA2reliefA2valveA2setA2atA2_A2
percentA2aboveA2lineA2pressure?A2A)A220A2B)A230A2C)A240A2D)A250A2-A2Ans--D)A250
MedicalA2airA2compressorA2systemsA2shallA2haveA2anA2automaticA2meansA2toA2preventA2_
A2fromA2allA2on-cycleA2compressorsA2throughA2allA2off-cycleA2compressors?
A2A)A2backfireA2B)A2backflowA2C)A2backA2pressureA2D)A2backupA2-A2Ans--B)A2backflow
ReciprocatingA2compressorsA2thatA2employA2theA2useA2ofA2oilA2canA2beA2usedA2forA2medic
alA2airA2asA2longA2asA2theA2oil-
containingA2sectionA2isA2separatedA2fromA2theA2compressionA2chamberA2byA2atA2leastA2_A2
sealsA2creatingA2anA2areaA2openA2toA2theA2atmosphere?A2A)A22A2B)A23A2C)A24A2D)A25A2-
A2Ans--A)A22
WhenA2liquidA2ringA2compressorsA2areA2beingA2usedA2toA2serviceA2waterA2andA2sealA2wat
erA2shallA2beA2treatedA2toA2controlA2waterborneA2pathogensA2andA2chlorineA2(fromA2_)A2fro
mA2enteringA2theA2medicalA2air?
A2A)A2deionizationA2B)A2hyperchlorinationA2C)A2hypochlorinationA2D)A2ionizationA2-A2Ans--
C)A2hypochlorination
AftercoolersA2shallA2beA2providedA2withA2individualA2_A2?
A2A)A2condensateA2trapsA2B)A2flexibleA2connectorsA2C)A2pressureA2indicatorsA2D)A2temper
atureA2indicatorsA2-A2Ans--A)A2condensateA2traps
RecieversA2forA2medicalA2airA2shallA2notA2beA2equippedA2withA2_A2?
A2A)A2aA2sightA2glassA2B)A2aA2temperatureA2indicatorA2C)A2automaticA2andA2manualA2drain
sA2D)A2reliefA2valvesA2-A2Ans--B)A2aA2temperatureA2indicator
MedicalA2airA2filtersA2shallA2beA2locatedA2immediatelyA2upstreamA2(sourceA2side)A2ofA2theA
2_A2?A2A)A2aftercoolersA2B)A2finalA2lineA2regulatorA2C)A2pressureA2indicatorA2D)A2recieverA2-
A2Ans--B)A2finalA2lineA2regulator
MedicalA2airA2filtersA2shallA2beA2sizedA2forA2100%A2ofA2theA2systemA2peakA2calculatedA2de
mandA2andA2beA2ratesA2forA2aA2minimumA2ofA298%A2efficiencyA2atA2_A2micronA2orA2greater
?A2A)A2.01A2B)A21A2C)A25A2D)A210A2-A2Ans--B)A21
PRACTICE TEST QUESTIONS AND
VERIFIED ANSWERS
AnA2existingA2systemA2thatA2isA2notA2inA2strictA2complianceA2withA2theA2provisionsA2ofA2this
A2codeA2shallA2beA2permittedA2toA2beA2continuedA2inA2useA2asA2longA2asA2theA2_A2hasA2det
erminedA2thatA2suchA2useA2doesA2notA2constituteA2aA2distinctA2hazardA2toA2life.A2A)A2archit
ectA2B)A2authorityA2havingA2jurisdictionA2C)A2engineerA2D)A2nursingA2staffA2-A2Ans--
B)A2authorityA2havingA2jurisdiction
CylinderA2andA2cryogenicA2liquidA2containerA2outletA2connectionsA2shallA2beA2designedA2a
sA2toA2renderA2theA2attachmentA2pointA2_A2whenA2removalA2ofA2theA2outletA2connectionA2is
A2attempted.A2A)A2reusableA2B)A2unusableA2C)A2unsuitableA2D)A2universalA2-A2Ans--
B)A2unusable
CylindersA2inA2useA2andA2inA2storageA2shallA2beA2preventedA2fromA2reachingA2temperatur
esA2inA2excessA2ofA2_A2*F.A2A)A2120A2B)A2125A2C)A2130A2D)A2135A2-A2Ans--B)A2125
NitrousA2oxideA2andA2carbonA2dioxideA2usingA2cylindersA2orA2portableA2containersA2shallA2
beA2preventedA2fromA2reachingA2temperaturesA2lowerA2thanA2_A2*FA2A)A2130A2B)125A2C)A2
20A2D)A2-20A2-A2Ans--C)20
WhichA2ofA2theA2followingA2systemsA2shallA2notA2beA2permittedA2toA2beA2locatedA2inA2anA2o
utdoorA2enclosure?
A2A)A2bulkA2cryogenicA2liquidA2cylindersA2B)A2manifoldsA2forA2gasA2cylindersA2C)A2manifold
sA2forA2cryogenicA2liquidA2containersA2D)A2medicalA2airA2sourcesA2-A2Ans--
D)A2medicalA2airA2sources
IndoorA2locationsA2forA2oxygen,A2nitrousA2oxide,A2andA2mixturesA2ofA2theseA2gasesA2shallA
2notA2communicateA2withA2anyA2ofA2theA2followingA2exceptA2_?
A2A)A2areaA2withA2openA2flamesA2B)A2designatedA2storageA2areaA2C)A2enginesA2D)A2kitche
nsA2-A2Ans--B)A2designatedA2storageA2area
LocationsA2forA2centralA2supplyA2systemsA2shallA2haveA2_A2devicesA2protectedA2fromA2phy
sicalA2damage?A2A)A2electricalA2B)A2pressureA2indicatingA2C)A2regulatingA2D)A2reliefA2-
A2Ans--A)A2electrical
OutdoorA2locationsA2surroundedA2byA2impermeableA2walls,A2exceptA2fireA2barrierA2walls,A2
shallA2haveA2protectedA2ventilationA2openingsA2atA2theA2_A2ofA2eachA2wallA2toA2allowA2freeA
2circulationA2ofA2airA2withinA2theA2enclosure?
A2A)A2baseA2B)A2corner)A2C)A2middleA2D)A2topA2-A2Ans--A)A2base
,AllA2positiveA2pressureA2supplyA2systemsA2shallA2beA2providedA2withA2duplexA2lineA2press
ureA2regulatorsA2pipedA2inA2_?A2A)A2circuitA2B)A2loopA2C)A2parallelA2D)A2seriesA2-A2Ans--
C)A2parallel
AllA2pressureA2reliefA2valvesA2shallA2beA2madeA2ofA2brass,A2bronze,A2orA2_?
A2A)A2carbonA2steelA2B)A2castA2ironA2C)A2copperA2D)A2stainlessA2steelA2-A2Ans--
D)A2stainlessA2steel
CentralA2supplyA2systemsA2forA2positiveA2pressureA2gasesA2shallA2haveA2oneA2orA2moreA2r
eliefA2valves,A2theA2valvesA2shallA2haveA2aA2reliefA2settingA2thatA2isA2_
%A2aboveA2normalA2workingA2operatingA2pressure?A2A)A230A2B)A240A2C)A250A2D)A260A2-
A2Ans--C)A250
WhenA2ventedA2toA2theA2outside,A2reliefA2valveA2ventA2linesA2shallA2beA2labeledA2inA2which
A2way?
A2A)A2adhesiveA2markersA2B)A2anyA2mannerA2thatA2willA2distinguishA2themA2fromA2theA2me
dicalA2gasA2pipelineA2C)A2stencilingA2D)A2stickersA2-A2Ans--
B)A2anyA2mannerA2thatA2willA2distinguishA2themA2fromA2theA2medicalA2gasA2pipeline
AnA2auxiliaryA2sourceA2connectionA2shallA2consistA2ofA2allA2ofA2theA2followingA2except?
A2A)A2removableA2plugA2orA2capA2B)A2teeA2C)A2valveA2D)A2visualA2pressureA2indicatorA2-
A2Ans--D)A2visualA2pressureA2indicator
InA2centralA2supplyA2systemsA2usingA2gasA2orA2liquidA2cylinders,A2eachA2headerA2shallA2ha
veA2aA2_A2toA2preventA2debrisA2fromA2enteringA2theA2manifoldA2controls?
A2A)A2checkA2valveA2B)A2filterA2C)A2monitorA2D)A2reliefA2valveA2-A2Ans--B)A2filter
ManifoldsA2forA2gasA2cylindersA2shallA2consistA2ofA2twoA2equalA2headers,A2eachA2withA2en
oughA2cylindersA2forA2anA2averageA2day'sA2supply,A2butA2notA2fewerA2thanA2_A2connection
s?A2A)A25A2B)A24A2C)A23A2D)A22A2-A2Ans--D)A22
ManifoldsA2forA2gasA2cylindersA2shallA2haveA2a(n)A2_A2signalA2thatA2visiblyA2indicatesA2theA
2operatingA2statusA2ofA2theA2equipmentA2andA2shallA2activateA2anA2indicatorA2atA2allA2mast
erA2alarmA2panelsA2whenA2orA2justA2beforeA2changeoverA2fromA2oneA2headerA2toA2theA2oth
erA2takesA2place?A2A)A2areaA2B)A2masterA2C)A2localA2D)A2zoneA2-A2Ans--C)A2local
WhenA2multipleA2buildingsA2areA2servedA2fromA2aA2singleA2cryogenicA2liquidA2oxygenA2sou
rce,A2itA2isA2requiredA2toA2placeA2theA2emergencyA2oxygenA2supplyA2connectionA2inA2_A2?
A2A)A2eachA2buildingA2servedA2B)A2theA2buildingA2closestA2toA2theA2sourceA2C)A2theA2larges
tA2buildingA2servedA2D)A2theA2mainA2buildingA2onlyA2-A2Ans--A)A2eachA2buildingA2served
TheA2minimumA2clearanceA2aroundA2EOSCA2forA2aA2temporaryA2sourceA2ofA2supplyA2isA2_
A2ft?A2A)A22A2B)A23A2C)A25A2D)A26A2-A2Ans--B)A23
A(n)A2_A2emergencyA2reserveA2systemA2canA2beA2substitutedA2forA2theA2EOSC?
A2A)A2auxiliaryA2B)A2backupA2C)A2in-buildingA2D)A2micro-bulkA2-A2Ans--C)A2in-building
, TheA2qualityA2medicalA2airA2shallA2complyA2withA2allA2ofA2theA2followingA2standardsA2excep
t?
A2A)A2beA2filteredA2toA2.01A2micronsA2B)A2haveA2lessA2thanA225A2ppmA2gaseousA2hydrocar
bonsA2C)A2haveA2noA2detectableA2hydrocarbonsA2D)A2meetA2theA2requirementsA2ofA2medi
calA2airA2USPA2-A2Ans--A)A2beA2filteredA2toA2.01A2microns
MedicalA2airA2sourcesA2shallA2onlyA2beA2usedA2forA2_A2?A2A)A2air-
operatingA2devicesA2B)A2humanA2respiratoryA2applicationsA2C)A2instrumentA2airA2D)A2WA
GDA2-A2Ans--B)A2humanA2respiratoryA2applications
MedicalA2airA2compressorA2systemsA2shallA2haveA2aA2pressureA2reliefA2valveA2setA2atA2_A2
percentA2aboveA2lineA2pressure?A2A)A220A2B)A230A2C)A240A2D)A250A2-A2Ans--D)A250
MedicalA2airA2compressorA2systemsA2shallA2haveA2anA2automaticA2meansA2toA2preventA2_
A2fromA2allA2on-cycleA2compressorsA2throughA2allA2off-cycleA2compressors?
A2A)A2backfireA2B)A2backflowA2C)A2backA2pressureA2D)A2backupA2-A2Ans--B)A2backflow
ReciprocatingA2compressorsA2thatA2employA2theA2useA2ofA2oilA2canA2beA2usedA2forA2medic
alA2airA2asA2longA2asA2theA2oil-
containingA2sectionA2isA2separatedA2fromA2theA2compressionA2chamberA2byA2atA2leastA2_A2
sealsA2creatingA2anA2areaA2openA2toA2theA2atmosphere?A2A)A22A2B)A23A2C)A24A2D)A25A2-
A2Ans--A)A22
WhenA2liquidA2ringA2compressorsA2areA2beingA2usedA2toA2serviceA2waterA2andA2sealA2wat
erA2shallA2beA2treatedA2toA2controlA2waterborneA2pathogensA2andA2chlorineA2(fromA2_)A2fro
mA2enteringA2theA2medicalA2air?
A2A)A2deionizationA2B)A2hyperchlorinationA2C)A2hypochlorinationA2D)A2ionizationA2-A2Ans--
C)A2hypochlorination
AftercoolersA2shallA2beA2providedA2withA2individualA2_A2?
A2A)A2condensateA2trapsA2B)A2flexibleA2connectorsA2C)A2pressureA2indicatorsA2D)A2temper
atureA2indicatorsA2-A2Ans--A)A2condensateA2traps
RecieversA2forA2medicalA2airA2shallA2notA2beA2equippedA2withA2_A2?
A2A)A2aA2sightA2glassA2B)A2aA2temperatureA2indicatorA2C)A2automaticA2andA2manualA2drain
sA2D)A2reliefA2valvesA2-A2Ans--B)A2aA2temperatureA2indicator
MedicalA2airA2filtersA2shallA2beA2locatedA2immediatelyA2upstreamA2(sourceA2side)A2ofA2theA
2_A2?A2A)A2aftercoolersA2B)A2finalA2lineA2regulatorA2C)A2pressureA2indicatorA2D)A2recieverA2-
A2Ans--B)A2finalA2lineA2regulator
MedicalA2airA2filtersA2shallA2beA2sizedA2forA2100%A2ofA2theA2systemA2peakA2calculatedA2de
mandA2andA2beA2ratesA2forA2aA2minimumA2ofA298%A2efficiencyA2atA2_A2micronA2orA2greater
?A2A)A2.01A2B)A21A2C)A25A2D)A210A2-A2Ans--B)A21
