NFPA 99 6040 PRACTICE SET QUESTIONS WITH DETAILED
VERIFIED ANSWERS; ALREADY GRADED A; 2025-2026
____________ contamination from a medical air compressor, which may
be blended with oxygen, can pose a fire hazard.
A Particulate
B Nitrous Oxide
C Water
D Hydrocarbon - correct answer- Hydrocarbon
_____________ shall develop and document a periodic maintenance
programs for the medical gas, vacuum, WAGD, and support gas systems
equipment installed.
A The AHJ
B The medical gas equipment supplier
C The medical gas verifier
D The health care facility - correct answer- The health care facility
_______________ of medical gas, vacuum, WAGD, and support gas
systems shall include at least all source subsystems, control valves,
alarms, manufactured assemblies (containing patient gases), and
outlets/inlets.
A Inventories
,B Counts
C Lists
D Catalogs - correct answer- Inventories
___________________ source supply manifolds shall be prevented from
reaching temperatures lower than manufacturers recommendations but
never lower than 20oF
A Nitrous Oxide
B Carbon Dioxide
C Nitrous Oxide & Carbon Dioxide
D There is no minimum temperature limit - correct answer- Nitrous
Oxide & Carbon Dioxide
A __________ must be installed at the connection between the header
and each cylinder lead (pigtail) to prevent a single pigtail leak from
causing pressure loss of all cylinders connected to that same header.
A Warning light
B Local Alarm
C Gauge
D Check Valve - correct answer- Check Valve
A gas cylinder header consists of all of the following components with
the exception of:
A Filter
,B Pressure Indicator
C Local alarm
D Regulator - correct answer- Local alarm
A header for cryogenic liquid containers must have a
________________.
A pressure relief valve
B purge ports
C quick disconnect
D none of the above - correct answer- pressure relief valve
A low dewpoint temperature will prevent water condensation and
freezing as piping is routed outside.
A TRUE
B FALSE - correct answer- TRUE
A medical air compressor intake may draw air from outside or from
inside filtered Operating Room ventilation systems which are available
24/7 without belts or fans in the airstream.
A TRUE
B FALSE - correct answer- TRUE
, A medical gas systems utilizing ___________ for patient care shall be
considered Category 1 since failure of such equipment is likely to cause
major injury or death to patients or caregivers.
A Ventilator
B Anesthesia machine with a ventilator
C either A or B
D Neither A nor B - correct answer- either A or B
A supply container for high pressure gases or gas mixtures at pressure
that may exceed 2000 psig.
A Cylinder
B Container
C Bulk Container
D Dewar - correct answer- Cylinder
A unit of pressure with the atmospheric pressure used as the base or
reference pressure.
A Gauge Pressure
B Absolute Pressure
C Dynamic Pressure
D Static Pressure - correct answer- Gauge Pressure
VERIFIED ANSWERS; ALREADY GRADED A; 2025-2026
____________ contamination from a medical air compressor, which may
be blended with oxygen, can pose a fire hazard.
A Particulate
B Nitrous Oxide
C Water
D Hydrocarbon - correct answer- Hydrocarbon
_____________ shall develop and document a periodic maintenance
programs for the medical gas, vacuum, WAGD, and support gas systems
equipment installed.
A The AHJ
B The medical gas equipment supplier
C The medical gas verifier
D The health care facility - correct answer- The health care facility
_______________ of medical gas, vacuum, WAGD, and support gas
systems shall include at least all source subsystems, control valves,
alarms, manufactured assemblies (containing patient gases), and
outlets/inlets.
A Inventories
,B Counts
C Lists
D Catalogs - correct answer- Inventories
___________________ source supply manifolds shall be prevented from
reaching temperatures lower than manufacturers recommendations but
never lower than 20oF
A Nitrous Oxide
B Carbon Dioxide
C Nitrous Oxide & Carbon Dioxide
D There is no minimum temperature limit - correct answer- Nitrous
Oxide & Carbon Dioxide
A __________ must be installed at the connection between the header
and each cylinder lead (pigtail) to prevent a single pigtail leak from
causing pressure loss of all cylinders connected to that same header.
A Warning light
B Local Alarm
C Gauge
D Check Valve - correct answer- Check Valve
A gas cylinder header consists of all of the following components with
the exception of:
A Filter
,B Pressure Indicator
C Local alarm
D Regulator - correct answer- Local alarm
A header for cryogenic liquid containers must have a
________________.
A pressure relief valve
B purge ports
C quick disconnect
D none of the above - correct answer- pressure relief valve
A low dewpoint temperature will prevent water condensation and
freezing as piping is routed outside.
A TRUE
B FALSE - correct answer- TRUE
A medical air compressor intake may draw air from outside or from
inside filtered Operating Room ventilation systems which are available
24/7 without belts or fans in the airstream.
A TRUE
B FALSE - correct answer- TRUE
, A medical gas systems utilizing ___________ for patient care shall be
considered Category 1 since failure of such equipment is likely to cause
major injury or death to patients or caregivers.
A Ventilator
B Anesthesia machine with a ventilator
C either A or B
D Neither A nor B - correct answer- either A or B
A supply container for high pressure gases or gas mixtures at pressure
that may exceed 2000 psig.
A Cylinder
B Container
C Bulk Container
D Dewar - correct answer- Cylinder
A unit of pressure with the atmospheric pressure used as the base or
reference pressure.
A Gauge Pressure
B Absolute Pressure
C Dynamic Pressure
D Static Pressure - correct answer- Gauge Pressure
