MEDGAS EXAM QUESTIONS AND
ANSWES 2026
Under which of these conditions shall the instrument air reserve header cylinders be
permitted to be store with the instrument air compressor ? - ANSWERSThe only motor-
driven machinery in the room is for the instrument air equipment
Riser valves are those valves located where? - ANSWERSIn the riser adjacent to the
main line
Installers of a Category 1 medical gas piped distribution system must be qualified in
accordance with ASSE 6010. What is the certification requirement for installers of a
Category 3 medical gas piped distribution system ? - ANSWERS6010
When is the initial pressure test conducted by the installer? - ANSWERSAfter blow
down of the distribution piping
In those portions of systems intended to handle oxygen at pressure greater than 350
psi, the interconnecting hose shall not contain ________ materials -
ANSWERSPolymeric
Under what conditions is this method permitted for the installation of medical gas? -
ANSWERSWhere the limited make-up depth is not less than min. cup depth per
ANSI/ASME recommendations
What is the standard gauge pressure (PSI) for nitrogen gas service? - ANSWERS160-
185
Which of these is an NFPA 99 requirement for the labeling of pipes in a medical gas
system ? - ANSWERSColor coding
A wireless communication device is employed in a medical gas or vacuum warning
system. Which type of supervision is required for this device? - ANSWERSThe device
will be supervised such that failure of communication shall initiate an alarm
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or
caregivers, the system shall be designed to meet which category of requirements? -
ANSWERS1
A facility is in the planning stages of installing an emergency oxygen service connection
(EOSC). How many feet is the min. amount of clearance required around this
connection? - ANSWERS3 feet
, Which of the following conditions must be where medical gas and vacuum systems are
installed by non-certified personnel? - ANSWERSInstallation by anyone other than 6010
certified personnel is Not permitted
Wooden racks for cylinder storage may be permitted under which conditions? -
ANSWERSWooden racks are no longer permitted
A non-metal flexible connector is being used to connect the manifold to the gas
distribution piping. What is the max length for the flexible connector? - ANSWERS5 feet
Which type of copper tube hangers shall be used in a potentially damp location? -
ANSWERSplastic coated or insulated with a material that will not absorb moisture
Patient care room is any room of a health care facility wherein patients are to be ? -
ANSWERSexamined or treated
oxygen cylinders in use and in storage shall be prevented from reaching temperatures
in excess of how many degrees Fahrenheit? - ANSWERS130
Liquid containers shall have additional product identification visible from all directions
with a min. of ___ high letters - ANSWERS2 inches
24. Which of the following systems shall NOT be permitted to be located in an outdoor
enclosure ? - ANSWERSmedical air compressor supply sources
The final connection between new piping and an existing system may be tested with the
system gas and must be checked with a leak detectant that does not contain which of
these solvents? - ANSWERSammonia
A bulk cryogenic supply containing parallel-piped duplex line regulators. Which of the
following is a requirement for the regulators? - ANSWERSa balanced design
Which of these is a requirement for area alarm panels? - ANSWERSProvide visual and
audible indication
Excluding outdoor locations, which of these is an NFPA 99 requirement for the wiring of
each of the 2 mandatory master alarms ? - ANSWERSWired independently to the
initiating device for each signal
stainless tube may be joined by any methods except? - ANSWERSSolder
what sort of treatment shall be permitted before brazing the out ends of a tube to be
installed in medical gas piping systems? - ANSWERScut ends may be rolled smooth or
deburred
ANSWES 2026
Under which of these conditions shall the instrument air reserve header cylinders be
permitted to be store with the instrument air compressor ? - ANSWERSThe only motor-
driven machinery in the room is for the instrument air equipment
Riser valves are those valves located where? - ANSWERSIn the riser adjacent to the
main line
Installers of a Category 1 medical gas piped distribution system must be qualified in
accordance with ASSE 6010. What is the certification requirement for installers of a
Category 3 medical gas piped distribution system ? - ANSWERS6010
When is the initial pressure test conducted by the installer? - ANSWERSAfter blow
down of the distribution piping
In those portions of systems intended to handle oxygen at pressure greater than 350
psi, the interconnecting hose shall not contain ________ materials -
ANSWERSPolymeric
Under what conditions is this method permitted for the installation of medical gas? -
ANSWERSWhere the limited make-up depth is not less than min. cup depth per
ANSI/ASME recommendations
What is the standard gauge pressure (PSI) for nitrogen gas service? - ANSWERS160-
185
Which of these is an NFPA 99 requirement for the labeling of pipes in a medical gas
system ? - ANSWERSColor coding
A wireless communication device is employed in a medical gas or vacuum warning
system. Which type of supervision is required for this device? - ANSWERSThe device
will be supervised such that failure of communication shall initiate an alarm
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or
caregivers, the system shall be designed to meet which category of requirements? -
ANSWERS1
A facility is in the planning stages of installing an emergency oxygen service connection
(EOSC). How many feet is the min. amount of clearance required around this
connection? - ANSWERS3 feet
, Which of the following conditions must be where medical gas and vacuum systems are
installed by non-certified personnel? - ANSWERSInstallation by anyone other than 6010
certified personnel is Not permitted
Wooden racks for cylinder storage may be permitted under which conditions? -
ANSWERSWooden racks are no longer permitted
A non-metal flexible connector is being used to connect the manifold to the gas
distribution piping. What is the max length for the flexible connector? - ANSWERS5 feet
Which type of copper tube hangers shall be used in a potentially damp location? -
ANSWERSplastic coated or insulated with a material that will not absorb moisture
Patient care room is any room of a health care facility wherein patients are to be ? -
ANSWERSexamined or treated
oxygen cylinders in use and in storage shall be prevented from reaching temperatures
in excess of how many degrees Fahrenheit? - ANSWERS130
Liquid containers shall have additional product identification visible from all directions
with a min. of ___ high letters - ANSWERS2 inches
24. Which of the following systems shall NOT be permitted to be located in an outdoor
enclosure ? - ANSWERSmedical air compressor supply sources
The final connection between new piping and an existing system may be tested with the
system gas and must be checked with a leak detectant that does not contain which of
these solvents? - ANSWERSammonia
A bulk cryogenic supply containing parallel-piped duplex line regulators. Which of the
following is a requirement for the regulators? - ANSWERSa balanced design
Which of these is a requirement for area alarm panels? - ANSWERSProvide visual and
audible indication
Excluding outdoor locations, which of these is an NFPA 99 requirement for the wiring of
each of the 2 mandatory master alarms ? - ANSWERSWired independently to the
initiating device for each signal
stainless tube may be joined by any methods except? - ANSWERSSolder
what sort of treatment shall be permitted before brazing the out ends of a tube to be
installed in medical gas piping systems? - ANSWERScut ends may be rolled smooth or
deburred
