NFPA-99: PRACTICE TEST QUESTIONS
AND ANSWERS
Under mwhich mof mthese mconditions mshall mthe minstrument mAir mReserve mheader
mcylinders mbe mpermitted mto mbe mstored mwith mthe minstrument mair mcompressor?
A) mthe mmechanical mequipment mroom mdoes mnot mcontain ma mboiler. m
B) mthe mmedical mair mcompressors mare min mthe msame mroom.
C) mthe monly mmotor-driven mmachinery min mthe mroom mis mfor minstrument mair
mequipment.
D) mthe mroom mis msecured mwith mlockable mdoors. m- mcorrect manswers m-C) mThe
monly mmotor-driven mmachinery min mthe mroom mis mfor mthe minstrument mair
mequipment
Riser mvalves mare mthose mvalves mlocated mwhere?
A) madjacent mto mthe mmain mriser mdownstream mof many mzone mvalve.
B) manywhere min mthe mlateral mbranches mof mthe mpiping msystem.
C) min mthe mmainline madjacent mto mthe mbase mof mthe mriser.
,D) min mthe mriser madjacent mto mthe mmainline. m- mcorrect manswers m-D) mIn mthe
mriser madjacent mto mthe mmain mline
When mis mthe minitial mpressure mtest mconducted mby mthe minstaller?
A) mafter mblowdown mof mthe mdistribution mpiping.
B) mafter minstallation mof malarm msensors.
C) mbefore mblowdown mof mdistribution mpiping.
D) mbefore minstallation mof mstation mrough min massembly. m- mcorrect manswers m-A)
mAfter mblow-down mof mthe mdistribution mpiping.
In mthose mportions mof msystems mintended mto mhandle moxygen mat mpressure
mgreater mthan m350 mpsi mthe minter mconnecting mhose mshall mnot mcontain mwhat
mmaterials?
A) mbrass.
B) mcopper
C) mpolymeric
D) mstainless msteel m- mcorrect manswers m-C) mPolymeric
The mtool mshown mhere mallows mthe minstaller mto mmechanically mlimit mthe mmakeup
mdepth mof mthe mfitting mto mbe mbrazed. mUnder mwhat mcondition mis mthis mmethod
mpermitted mfor mthe minstallation mof mmedical mgas mpiping?
A) monly mon mfinal mline mconnectors.
B) monly mon mvacuum msystems.
C) mwhere monly mB mcup m5 mbrazing mrod mis mused
D) mwhere mthe mlimited mmakeup mdepth mis mnot mless mthan mminimum mcut mdepth
mher mANSI m/ mASME mrecommendations m- mcorrect manswers m-D) mWhere mthe
mlimited mmakeup mdepth mis mnot mless mthan mminimum mcup mdepth mcurrent mANSI\
ASME mrecommendation
What mis mthe mstandard mgauge mpressure mfor mnitrogen mgas mservice?
A) m15 m- m30
B) m50 m- m55
C) m162 m185
D) mit mvaries mwith msystem mtype. m- mcorrect manswers m-C) m50 m- m55 mpsi
What mis ma mNFPA m99 mrequirement mfor mlabeling mof mpipes min mmedical mgas
msystem?
A) mcolor mcoding
B) mfixed mlabel mwith
C) mlabel mshall mwrap mcompletely maround mpipe.
D) mreflective mlabel m- mcorrect manswers m-A) mColor mcoding
A mwireless mcommunication mdevice mis memployed min ma mmedical mgas mor mvacuum
mwarning msystem. mwhat mtype mof msupervision mis mrequired mfor mthis mdevice?
A) ma mvisual mindicator mShelby mlocated min mmaintenance mofficer mor mengineering
mdepartment.
, B) mthis mdevice mshall mbe minstalled mat mthe mmedical mgas mor mvacuum msource.
C) mthis mdevice mshall mbe mlocated mat mnurses mstation.
D) mthis mdevice mwill mbe msupervised msuch mthat mfailure mcommunication mshall
minitiate man malarm. m- mcorrect manswers m-D) mThis mdevice mwill mbe msupervised
msuch mthat mfailure mof mcommunication mshall minitate man malarm
In ma mfacility mwhere mMedical mGas mvacuum msystems mare mpresent mand mthe
mfailure mof msuch mequipment mor msystems mis mlikely mto mcause many mmajor minjury
mor mdeath mto mpatients mor mcaregivers mthis msystem mshall mbe mdesigned mto mmeet
mwhich mcategory mrequirements?
A) m1
B) m2
C) m3
D) m4 m- mcorrect manswers m-A) mcategory m1
A mfaculty mis min mthe mplanning mstages mof minstalling man memergency moxygen
mservice mconnection m(ESOC). mHow mmany mfeet mis mthe mminimum mamount mof
mclearance mrequired maround mthis mconnection?
A) m1 mfoot
B) m3 mfeet
C) m5 mfeet
D) mClearance mmust mbe m1-1/2 mtimes mthe mwidth mof mthe mauxiliary. m- mcorrect
manswers m-B) m3 mfeet
Wooden mrack mfor mcylinder mstorage mmay mbe mpermitted munder mwhich
mconditions?
A) mthe mwooden mmust mbe mpainted.
B) mthey mare mpermitted mwith mno mset mconditions m.
C) mthey mmust mbe mlocated min man marea mwith mfire msuppression msystem.
D) mWooden mracks mare mno mlonger mpermitted m- mcorrect manswers m-D) mWooden
mracks mare mno mlonger mpermitted
If mnonmetallic mflexible mconnectors mis mbeing mused min ma mcategory m1 mhealthcare
mfaculty mto mconnect mto mthe mmanifold mto mthe mgas mdistribution mpiping mwhat mis
mthe mmaximum mlength mpermitted mfor mthe mflexible mconnectors?
A) m2.5 mfeet
B) m5 mfeet
C) mThey mshall mbe mno mlonger mnecessary
D) mthe muse mof mflexible mconnectors mis mnot mpermitted. m- mcorrect manswers m-C)
mThey mshall mbe mno mlonger mnecessary
What mtype mof mcopper mtube mhanger mshall mbe mused mfor mpotentially mdamp
mlocations?
A) mcarbon msteel
B) mcopper mcoated
C) mPlastic mcoated mor minsulated mwith mmaterial mthat mwill mbe mnon-absorbent mor
AND ANSWERS
Under mwhich mof mthese mconditions mshall mthe minstrument mAir mReserve mheader
mcylinders mbe mpermitted mto mbe mstored mwith mthe minstrument mair mcompressor?
A) mthe mmechanical mequipment mroom mdoes mnot mcontain ma mboiler. m
B) mthe mmedical mair mcompressors mare min mthe msame mroom.
C) mthe monly mmotor-driven mmachinery min mthe mroom mis mfor minstrument mair
mequipment.
D) mthe mroom mis msecured mwith mlockable mdoors. m- mcorrect manswers m-C) mThe
monly mmotor-driven mmachinery min mthe mroom mis mfor mthe minstrument mair
mequipment
Riser mvalves mare mthose mvalves mlocated mwhere?
A) madjacent mto mthe mmain mriser mdownstream mof many mzone mvalve.
B) manywhere min mthe mlateral mbranches mof mthe mpiping msystem.
C) min mthe mmainline madjacent mto mthe mbase mof mthe mriser.
,D) min mthe mriser madjacent mto mthe mmainline. m- mcorrect manswers m-D) mIn mthe
mriser madjacent mto mthe mmain mline
When mis mthe minitial mpressure mtest mconducted mby mthe minstaller?
A) mafter mblowdown mof mthe mdistribution mpiping.
B) mafter minstallation mof malarm msensors.
C) mbefore mblowdown mof mdistribution mpiping.
D) mbefore minstallation mof mstation mrough min massembly. m- mcorrect manswers m-A)
mAfter mblow-down mof mthe mdistribution mpiping.
In mthose mportions mof msystems mintended mto mhandle moxygen mat mpressure
mgreater mthan m350 mpsi mthe minter mconnecting mhose mshall mnot mcontain mwhat
mmaterials?
A) mbrass.
B) mcopper
C) mpolymeric
D) mstainless msteel m- mcorrect manswers m-C) mPolymeric
The mtool mshown mhere mallows mthe minstaller mto mmechanically mlimit mthe mmakeup
mdepth mof mthe mfitting mto mbe mbrazed. mUnder mwhat mcondition mis mthis mmethod
mpermitted mfor mthe minstallation mof mmedical mgas mpiping?
A) monly mon mfinal mline mconnectors.
B) monly mon mvacuum msystems.
C) mwhere monly mB mcup m5 mbrazing mrod mis mused
D) mwhere mthe mlimited mmakeup mdepth mis mnot mless mthan mminimum mcut mdepth
mher mANSI m/ mASME mrecommendations m- mcorrect manswers m-D) mWhere mthe
mlimited mmakeup mdepth mis mnot mless mthan mminimum mcup mdepth mcurrent mANSI\
ASME mrecommendation
What mis mthe mstandard mgauge mpressure mfor mnitrogen mgas mservice?
A) m15 m- m30
B) m50 m- m55
C) m162 m185
D) mit mvaries mwith msystem mtype. m- mcorrect manswers m-C) m50 m- m55 mpsi
What mis ma mNFPA m99 mrequirement mfor mlabeling mof mpipes min mmedical mgas
msystem?
A) mcolor mcoding
B) mfixed mlabel mwith
C) mlabel mshall mwrap mcompletely maround mpipe.
D) mreflective mlabel m- mcorrect manswers m-A) mColor mcoding
A mwireless mcommunication mdevice mis memployed min ma mmedical mgas mor mvacuum
mwarning msystem. mwhat mtype mof msupervision mis mrequired mfor mthis mdevice?
A) ma mvisual mindicator mShelby mlocated min mmaintenance mofficer mor mengineering
mdepartment.
, B) mthis mdevice mshall mbe minstalled mat mthe mmedical mgas mor mvacuum msource.
C) mthis mdevice mshall mbe mlocated mat mnurses mstation.
D) mthis mdevice mwill mbe msupervised msuch mthat mfailure mcommunication mshall
minitiate man malarm. m- mcorrect manswers m-D) mThis mdevice mwill mbe msupervised
msuch mthat mfailure mof mcommunication mshall minitate man malarm
In ma mfacility mwhere mMedical mGas mvacuum msystems mare mpresent mand mthe
mfailure mof msuch mequipment mor msystems mis mlikely mto mcause many mmajor minjury
mor mdeath mto mpatients mor mcaregivers mthis msystem mshall mbe mdesigned mto mmeet
mwhich mcategory mrequirements?
A) m1
B) m2
C) m3
D) m4 m- mcorrect manswers m-A) mcategory m1
A mfaculty mis min mthe mplanning mstages mof minstalling man memergency moxygen
mservice mconnection m(ESOC). mHow mmany mfeet mis mthe mminimum mamount mof
mclearance mrequired maround mthis mconnection?
A) m1 mfoot
B) m3 mfeet
C) m5 mfeet
D) mClearance mmust mbe m1-1/2 mtimes mthe mwidth mof mthe mauxiliary. m- mcorrect
manswers m-B) m3 mfeet
Wooden mrack mfor mcylinder mstorage mmay mbe mpermitted munder mwhich
mconditions?
A) mthe mwooden mmust mbe mpainted.
B) mthey mare mpermitted mwith mno mset mconditions m.
C) mthey mmust mbe mlocated min man marea mwith mfire msuppression msystem.
D) mWooden mracks mare mno mlonger mpermitted m- mcorrect manswers m-D) mWooden
mracks mare mno mlonger mpermitted
If mnonmetallic mflexible mconnectors mis mbeing mused min ma mcategory m1 mhealthcare
mfaculty mto mconnect mto mthe mmanifold mto mthe mgas mdistribution mpiping mwhat mis
mthe mmaximum mlength mpermitted mfor mthe mflexible mconnectors?
A) m2.5 mfeet
B) m5 mfeet
C) mThey mshall mbe mno mlonger mnecessary
D) mthe muse mof mflexible mconnectors mis mnot mpermitted. m- mcorrect manswers m-C)
mThey mshall mbe mno mlonger mnecessary
What mtype mof mcopper mtube mhanger mshall mbe mused mfor mpotentially mdamp
mlocations?
A) mcarbon msteel
B) mcopper mcoated
C) mPlastic mcoated mor minsulated mwith mmaterial mthat mwill mbe mnon-absorbent mor
