Med Gas Study Guide | Verified Exam Questions and Answers | Latest
Updated Study Material 2026
Question:
When is the initial pressure test conducted, by a medical gas installer, on a nitrous oxide system?
Answer:
After blowdown of a distribution piping
Question:
In those portions of systems intended to handle oxygen at pressures greater than 350 psi the
interconnecting hose shall NOT contain materials?
Answer:
Polymeric
Question:
In a Category 1 Dental and Gas Vacuum Piping system, which of the following is an NFPA 99
requirement for the labeling of pipes?
Answer:
Color coding & non-
standard pressure
Question:
Which of the following treatments shall be performed before brazing cut ends of a tube to be
installed in a medical gas piping system?
Answer:
Cut ends shall be
rolled smooth or deburred
Question:
Manifolds for gas cylinders shall actuate a(an) signal and shall activate an indicator at
all alarm panels to indicate when or just before changeover from one header to the
other.
Answer:
Local, master
,Question:
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum sensor be
located?
Answer:
Station outlet/inlet
Question:
What is the purpose of using an oxygen analyzer during the piping purge prior to brazing?
Answer:
Assure that all ambient air has been removed from the pipeline
Question:
A medical gas master or area alarm panel shall be set to actuate a(an) indicator when the
communication with an alarm-initiating device is disconnected.
Answer:
Audible and visual
Question:
When an EOSC becomes the temporary supply source, a facility will monitor the system by use
of which of the following?
Answer:
Providing four connection points to
both master alarms
Question:
Which of the following conditions must be met where medical gas and vacuum systems are
installed by non-certified personnel?
Answer:
installation by anyone
other than 6010 certified personnel is NOT permitted
Question:
Which of the following systems shall NOT be permitted to be located in an outdoor enclosure?
Answer:
Medical air compressor supply sources
,Question:
Metallic flexible joints are being used in the pipeline for vibration control. Which of the
following is NOT required of such joints?
Answer:
suitable for service at
150 psig or above
Question:
who shall witness the installer-performed standing vacuum test?
Answer:
the authority having jurisdiction, or its designee
Question:
the medical air compressor intake shall be located a minimum of how many feet from any
exhaust or plumbing vents?
Answer:
25 feet
Question:
the gas produced by evaporation from the secondary header in a cryogenic liquid cylinder system
shall enter the supply system of the final line regulator.
Answer:
upstream
Question:
with the approval of the Authority Having Jurisdiction, in which areas shall the zone valves be
permitted to be secured to prevent inappropriate access?
Answer:
pediatric
Question:
factory installed inlet tubes on station outlets shall be NOT less than with 0.3 inch
minimum inside diameter.
Answer:
NPS 1/4, 3/8 in. O.D.
, Question:
which of these operations would not breach the vacuum system?
Answer:
Question:
except for valves in zone valve boxes, all valves shall be located in secured areas such as locked
pipe chases, or be .
Answer:
latched or locked in operation
position
Question:
medical gas Central Supply systems are NOT permitted to be located where?
Answer:
in an unlocked location
Question:
fittings, valves, and other components for field-installed positive pressure distribution systems
shall be until prepared for installation.
Answer:
delivered
sealed, labeled, and kept sealed
Question:
vacuum piping for shall be connected separately from the medical surgical system
directly to the receiver tank through its own isolation valve and fluid trap located at the receiver.
Answer:
a teaching laboratory
Question:
NFPA 99 specifies that the medical gas piping system shall be protected against all EXCEPT
which of the following?
Answer:
exposure to liquids
Updated Study Material 2026
Question:
When is the initial pressure test conducted, by a medical gas installer, on a nitrous oxide system?
Answer:
After blowdown of a distribution piping
Question:
In those portions of systems intended to handle oxygen at pressures greater than 350 psi the
interconnecting hose shall NOT contain materials?
Answer:
Polymeric
Question:
In a Category 1 Dental and Gas Vacuum Piping system, which of the following is an NFPA 99
requirement for the labeling of pipes?
Answer:
Color coding & non-
standard pressure
Question:
Which of the following treatments shall be performed before brazing cut ends of a tube to be
installed in a medical gas piping system?
Answer:
Cut ends shall be
rolled smooth or deburred
Question:
Manifolds for gas cylinders shall actuate a(an) signal and shall activate an indicator at
all alarm panels to indicate when or just before changeover from one header to the
other.
Answer:
Local, master
,Question:
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum sensor be
located?
Answer:
Station outlet/inlet
Question:
What is the purpose of using an oxygen analyzer during the piping purge prior to brazing?
Answer:
Assure that all ambient air has been removed from the pipeline
Question:
A medical gas master or area alarm panel shall be set to actuate a(an) indicator when the
communication with an alarm-initiating device is disconnected.
Answer:
Audible and visual
Question:
When an EOSC becomes the temporary supply source, a facility will monitor the system by use
of which of the following?
Answer:
Providing four connection points to
both master alarms
Question:
Which of the following conditions must be met where medical gas and vacuum systems are
installed by non-certified personnel?
Answer:
installation by anyone
other than 6010 certified personnel is NOT permitted
Question:
Which of the following systems shall NOT be permitted to be located in an outdoor enclosure?
Answer:
Medical air compressor supply sources
,Question:
Metallic flexible joints are being used in the pipeline for vibration control. Which of the
following is NOT required of such joints?
Answer:
suitable for service at
150 psig or above
Question:
who shall witness the installer-performed standing vacuum test?
Answer:
the authority having jurisdiction, or its designee
Question:
the medical air compressor intake shall be located a minimum of how many feet from any
exhaust or plumbing vents?
Answer:
25 feet
Question:
the gas produced by evaporation from the secondary header in a cryogenic liquid cylinder system
shall enter the supply system of the final line regulator.
Answer:
upstream
Question:
with the approval of the Authority Having Jurisdiction, in which areas shall the zone valves be
permitted to be secured to prevent inappropriate access?
Answer:
pediatric
Question:
factory installed inlet tubes on station outlets shall be NOT less than with 0.3 inch
minimum inside diameter.
Answer:
NPS 1/4, 3/8 in. O.D.
, Question:
which of these operations would not breach the vacuum system?
Answer:
Question:
except for valves in zone valve boxes, all valves shall be located in secured areas such as locked
pipe chases, or be .
Answer:
latched or locked in operation
position
Question:
medical gas Central Supply systems are NOT permitted to be located where?
Answer:
in an unlocked location
Question:
fittings, valves, and other components for field-installed positive pressure distribution systems
shall be until prepared for installation.
Answer:
delivered
sealed, labeled, and kept sealed
Question:
vacuum piping for shall be connected separately from the medical surgical system
directly to the receiver tank through its own isolation valve and fluid trap located at the receiver.
Answer:
a teaching laboratory
Question:
NFPA 99 specifies that the medical gas piping system shall be protected against all EXCEPT
which of the following?
Answer:
exposure to liquids
