NFPA-99 Practice (2025) Actual
Exam Questions and Answers A+
Graded
Under .which .of .these .conditions .shall .the .instrument .Air .Reserve .header
.cylinders .be .permitted .to .be .stored .with .the .instrument .air .compressor?
A) .the .mechanical .equipment .room .does .not .contain .a .boiler. .
B) .the .medical .air .compressors .are .in .the .same .room.
C) .the .only .motor-driven .machinery .in .the .room .is .for .instrument .air
.equipment.
D) .the .room .is .secured .with .lockable .doors. .- .CORRECT .ANSWER-C) .The .only
.motor-driven .machinery .in .the .room .is .for .the .instrument .air .equipment
Riser .valves .are .those .valves .located .where?
A) .adjacent .to .the .main .riser .downstream .of .any .zone .valve.
B) .anywhere .in .the .lateral .branches .of .the .piping .system.
C) .in .the .mainline .adjacent .to .the .base .of .the .riser.
D) .in .the .riser .adjacent .to .the .mainline. .- .CORRECT .ANSWER-D) .In .the .riser
.adjacent .to .the .main .line
When .is .the .initial .pressure .test .conducted .by .the .installer?
A) .after .blowdown .of .the .distribution .piping.
B) .after .installation .of .alarm .sensors.
C) .before .blowdown .of .distribution .piping.
D) .before .installation .of .station .rough .in .assembly. .- .CORRECT .ANSWER-A)
.After .blow-down .of .the .distribution .piping.
In .those .portions .of .systems .intended .to .handle .oxygen .at .pressure .greater
.than .350 .psi .the .inter .connecting .hose .shall .not .contain .what .materials?
A) .brass.
B) .copper
C) .polymeric
D) .stainless .steel .- .CORRECT .ANSWER-C) .Polymeric
The .tool .shown .here .allows .the .installer .to .mechanically .limit .the .makeup
.depth .of .the .fitting .to .be .brazed. .Under .what .condition .is .this .method .permitted
.for .the .installation .of .medical .gas .piping?
A) .only .on .final .line .connectors.
B) .only .on .vacuum .systems.
C) .where .only .B .cup .5 .brazing .rod .is .used
,D) .where .the .limited .makeup .depth .is .not .less .than .minimum .cut .depth .her
.ANSI ./ .ASME .recommendations .- .CORRECT .ANSWER-D) .Where .the .limited
.makeup .depth .is .not .less .than .minimum .cup .depth .current .ANSI\ASME
.recommendation
What .is .the .standard .gauge .pressure .for .nitrogen .gas .service?
A) .15 .- .30
B) .50 .- .55
C) .162 .185
D) .it .varies .with .system .type. .- .CORRECT .ANSWER-C) .50 .- .55 .psi
What .is .a .NFPA .99 .requirement .for .labeling .of .pipes .in .medical .gas .system?
A) .color .coding
B) .fixed .label .with
C) .label .shall .wrap .completely .around .pipe.
D) .reflective .label .- .CORRECT .ANSWER-A) .Color .coding
A .wireless .communication .device .is .employed .in .a .medical .gas .or .vacuum
.warning .system. .what .type .of .supervision .is .required .for .this .device?
A) .a .visual .indicator .Shelby .located .in .maintenance .officer .or .engineering
.department.
B) .this .device .shall .be .installed .at .the .medical .gas .or .vacuum .source.
C) .this .device .shall .be .located .at .nurses .station.
D) .this .device .will .be .supervised .such .that .failure .communication .shall .initiate
.an .alarm. .- .CORRECT .ANSWER-D) .This .device .will .be .supervised .such .that
.failure .of .communication .shall .initate .an .alarm
In .a .facility .where .Medical .Gas .vacuum .systems .are .present .and .the .failure .of
.such .equipment .or .systems .is .likely .to .cause .any .major .injury .or .death .to
.patients .or .caregivers .this .system .shall .be .designed .to .meet .which .category
.requirements?
A) .1
B) .2
C) .3
D) .4 .- .CORRECT .ANSWER-A) .category .1
A .faculty .is .in .the .planning .stages .of .installing .an .emergency .oxygen .service
.connection .(ESOC). .How .many .feet .is .the .minimum .amount .of .clearance
.required .around .this .connection?
A) .1 .foot
B) .3 .feet
C) .5 .feet
D) .Clearance .must .be .1-1/2 .times .the .width .of .the .auxiliary. .- .CORRECT
.ANSWER-B) .3 .feet
Wooden .rack .for .cylinder .storage .may .be .permitted .under .which .conditions?
A) .the .wooden .must .be .painted.
B) .they .are .permitted .with .no .set .conditions ..
C) .they .must .be .located .in .an .area .with .fire .suppression .system.
, D) .Wooden .racks .are .no .longer .permitted .- .CORRECT .ANSWER-D) .Wooden
.racks .are .no .longer .permitted
If .nonmetallic .flexible .connectors .is .being .used .in .a .category .1 .healthcare
.faculty .to .connect .to .the .manifold .to .the .gas .distribution .piping .what .is .the
.maximum .length .permitted .for .the .flexible .connectors?
A) .2.5 .feet
B) .5 .feet
C) .They .shall .be .no .longer .necessary
D) .the .use .of .flexible .connectors .is .not .permitted. .- .CORRECT .ANSWER-C)
.They .shall .be .no .longer .necessary
What .type .of .copper .tube .hanger .shall .be .used .for .potentially .damp .locations?
A) .carbon .steel
B) .copper .coated
C) .Plastic .coated .or .insulated .with .material .that .will .be .non-absorbent .or
D) .solid .copper .- .CORRECT .ANSWER-C) .Plastic .coated .or .insulated .with
.material .that .will .be .non-absorbent
A .patient .care .room .is .any .room .of .health .care .faculty .where .in .patients .are
.being .intended .to .be?
A) .either .admitted .or .discharged
B) .Examined .or .treated
C) .interviewed
D) .sent .for .x-rays .- .CORRECT .ANSWER-B) .Examined .or .treated
Oxygen .cylinders .in .use .and .storage .shall .be .prevented .from .reaching
.temperatures .in .excessive .how .many .degrees .Fahrenheit?
A) .100
B) .130
C) .160
D) .190 .- .CORRECT .ANSWER-B) .130 .degrees
Liquid .containers .shall .have .additional .product .identification .such .as .360
.degree .wrap .around .tape .for .medical .liquid .containers .visible .from .all
.directions .within .a .minimum .of .blank .high .letters?
A) .1 .inch
B) .2 .inch
C) .3 .inch
D) .4 .inch .- .CORRECT .ANSWER-B) .2 .inches
What .is .the .systems .that .shall .not .be .permitted .to .be .located .in .an .outdoor
.enclosure?
A) .Bulk .cryogenic .liquid .system
B) .manifolds .for .cryogenic .liquid .cylinders
C) .manifolds .for .gas .cylinders, .without .a .reserve
D) .med .air .compressor .supply .source .- .CORRECT .ANSWER-A) .Bulk .cryogenic
.liquid .system
Exam Questions and Answers A+
Graded
Under .which .of .these .conditions .shall .the .instrument .Air .Reserve .header
.cylinders .be .permitted .to .be .stored .with .the .instrument .air .compressor?
A) .the .mechanical .equipment .room .does .not .contain .a .boiler. .
B) .the .medical .air .compressors .are .in .the .same .room.
C) .the .only .motor-driven .machinery .in .the .room .is .for .instrument .air
.equipment.
D) .the .room .is .secured .with .lockable .doors. .- .CORRECT .ANSWER-C) .The .only
.motor-driven .machinery .in .the .room .is .for .the .instrument .air .equipment
Riser .valves .are .those .valves .located .where?
A) .adjacent .to .the .main .riser .downstream .of .any .zone .valve.
B) .anywhere .in .the .lateral .branches .of .the .piping .system.
C) .in .the .mainline .adjacent .to .the .base .of .the .riser.
D) .in .the .riser .adjacent .to .the .mainline. .- .CORRECT .ANSWER-D) .In .the .riser
.adjacent .to .the .main .line
When .is .the .initial .pressure .test .conducted .by .the .installer?
A) .after .blowdown .of .the .distribution .piping.
B) .after .installation .of .alarm .sensors.
C) .before .blowdown .of .distribution .piping.
D) .before .installation .of .station .rough .in .assembly. .- .CORRECT .ANSWER-A)
.After .blow-down .of .the .distribution .piping.
In .those .portions .of .systems .intended .to .handle .oxygen .at .pressure .greater
.than .350 .psi .the .inter .connecting .hose .shall .not .contain .what .materials?
A) .brass.
B) .copper
C) .polymeric
D) .stainless .steel .- .CORRECT .ANSWER-C) .Polymeric
The .tool .shown .here .allows .the .installer .to .mechanically .limit .the .makeup
.depth .of .the .fitting .to .be .brazed. .Under .what .condition .is .this .method .permitted
.for .the .installation .of .medical .gas .piping?
A) .only .on .final .line .connectors.
B) .only .on .vacuum .systems.
C) .where .only .B .cup .5 .brazing .rod .is .used
,D) .where .the .limited .makeup .depth .is .not .less .than .minimum .cut .depth .her
.ANSI ./ .ASME .recommendations .- .CORRECT .ANSWER-D) .Where .the .limited
.makeup .depth .is .not .less .than .minimum .cup .depth .current .ANSI\ASME
.recommendation
What .is .the .standard .gauge .pressure .for .nitrogen .gas .service?
A) .15 .- .30
B) .50 .- .55
C) .162 .185
D) .it .varies .with .system .type. .- .CORRECT .ANSWER-C) .50 .- .55 .psi
What .is .a .NFPA .99 .requirement .for .labeling .of .pipes .in .medical .gas .system?
A) .color .coding
B) .fixed .label .with
C) .label .shall .wrap .completely .around .pipe.
D) .reflective .label .- .CORRECT .ANSWER-A) .Color .coding
A .wireless .communication .device .is .employed .in .a .medical .gas .or .vacuum
.warning .system. .what .type .of .supervision .is .required .for .this .device?
A) .a .visual .indicator .Shelby .located .in .maintenance .officer .or .engineering
.department.
B) .this .device .shall .be .installed .at .the .medical .gas .or .vacuum .source.
C) .this .device .shall .be .located .at .nurses .station.
D) .this .device .will .be .supervised .such .that .failure .communication .shall .initiate
.an .alarm. .- .CORRECT .ANSWER-D) .This .device .will .be .supervised .such .that
.failure .of .communication .shall .initate .an .alarm
In .a .facility .where .Medical .Gas .vacuum .systems .are .present .and .the .failure .of
.such .equipment .or .systems .is .likely .to .cause .any .major .injury .or .death .to
.patients .or .caregivers .this .system .shall .be .designed .to .meet .which .category
.requirements?
A) .1
B) .2
C) .3
D) .4 .- .CORRECT .ANSWER-A) .category .1
A .faculty .is .in .the .planning .stages .of .installing .an .emergency .oxygen .service
.connection .(ESOC). .How .many .feet .is .the .minimum .amount .of .clearance
.required .around .this .connection?
A) .1 .foot
B) .3 .feet
C) .5 .feet
D) .Clearance .must .be .1-1/2 .times .the .width .of .the .auxiliary. .- .CORRECT
.ANSWER-B) .3 .feet
Wooden .rack .for .cylinder .storage .may .be .permitted .under .which .conditions?
A) .the .wooden .must .be .painted.
B) .they .are .permitted .with .no .set .conditions ..
C) .they .must .be .located .in .an .area .with .fire .suppression .system.
, D) .Wooden .racks .are .no .longer .permitted .- .CORRECT .ANSWER-D) .Wooden
.racks .are .no .longer .permitted
If .nonmetallic .flexible .connectors .is .being .used .in .a .category .1 .healthcare
.faculty .to .connect .to .the .manifold .to .the .gas .distribution .piping .what .is .the
.maximum .length .permitted .for .the .flexible .connectors?
A) .2.5 .feet
B) .5 .feet
C) .They .shall .be .no .longer .necessary
D) .the .use .of .flexible .connectors .is .not .permitted. .- .CORRECT .ANSWER-C)
.They .shall .be .no .longer .necessary
What .type .of .copper .tube .hanger .shall .be .used .for .potentially .damp .locations?
A) .carbon .steel
B) .copper .coated
C) .Plastic .coated .or .insulated .with .material .that .will .be .non-absorbent .or
D) .solid .copper .- .CORRECT .ANSWER-C) .Plastic .coated .or .insulated .with
.material .that .will .be .non-absorbent
A .patient .care .room .is .any .room .of .health .care .faculty .where .in .patients .are
.being .intended .to .be?
A) .either .admitted .or .discharged
B) .Examined .or .treated
C) .interviewed
D) .sent .for .x-rays .- .CORRECT .ANSWER-B) .Examined .or .treated
Oxygen .cylinders .in .use .and .storage .shall .be .prevented .from .reaching
.temperatures .in .excessive .how .many .degrees .Fahrenheit?
A) .100
B) .130
C) .160
D) .190 .- .CORRECT .ANSWER-B) .130 .degrees
Liquid .containers .shall .have .additional .product .identification .such .as .360
.degree .wrap .around .tape .for .medical .liquid .containers .visible .from .all
.directions .within .a .minimum .of .blank .high .letters?
A) .1 .inch
B) .2 .inch
C) .3 .inch
D) .4 .inch .- .CORRECT .ANSWER-B) .2 .inches
What .is .the .systems .that .shall .not .be .permitted .to .be .located .in .an .outdoor
.enclosure?
A) .Bulk .cryogenic .liquid .system
B) .manifolds .for .cryogenic .liquid .cylinders
C) .manifolds .for .gas .cylinders, .without .a .reserve
D) .med .air .compressor .supply .source .- .CORRECT .ANSWER-A) .Bulk .cryogenic
.liquid .system
