Med Gas Study Guide Exam Question
& Answers 2025
When is the initial pressure test conducted, by a medical
gas installer, on a nitrous oxide system? - CORRECT
ANSWERS ✔✔After blowdown of a distribution piping
In those portions of systems intended to handle oxygen
at pressures greater than 350 psi the interconnecting
hose shall NOT contain ________ materials? - CORRECT
ANSWERS ✔✔Polymeric
In a Category 1 Dental and Gas Vacuum Piping system,
which of the following is an NFPA 99 requirement for the
labeling of pipes? - CORRECT ANSWERS ✔✔Color
coding & non-standard pressure
Which of the following treatments shall be performed
before brazing cut ends of a tube to be installed in a
medical gas piping system? - CORRECT ANSWERS
✔✔Cut ends shall be rolled smooth or deburred
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. - CORRECT ANSWERS
✔✔Local, master
,Med Gas Study Guide Exam Question
& Answers 2025
In a non-anesthetizing area, on which side of a zone valve
shall the pressure/vacuum sensor be located? - CORRECT
ANSWERS ✔✔Station outlet/inlet
What is the purpose of using an oxygen analyzer during
the piping purge prior to brazing? - CORRECT ANSWERS
✔✔Assure that all ambient air has been removed from the
pipeline
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. -
CORRECT ANSWERS ✔✔Audible and visual
When an EOSC becomes the temporary supply source, a
facility will monitor the system by use of which of the
following? - CORRECT ANSWERS ✔✔Providing four
connection points to both master alarms
Which of the following conditions must be met where
medical gas and vacuum systems are installed by non-
certified personnel? - CORRECT ANSWERS
✔✔installation by anyone other than 6010 certified
personnel is NOT permitted
,Med Gas Study Guide Exam Question
& Answers 2025
Which of the following systems shall NOT be permitted to
be located in an outdoor enclosure? - CORRECT
ANSWERS ✔✔Medical air compressor supply sources
Metallic flexible joints are being used in the pipeline for
vibration control. Which of the following is NOT required
of such joints? - CORRECT ANSWERS ✔✔suitable for
service at 150 psig or above
who shall witness the installer-performed standing
vacuum test? - CORRECT ANSWERS ✔✔the authority
having jurisdiction, or its designee
the medical air compressor intake shall be located a
minimum of how many feet from any exhaust or
plumbing vents? - CORRECT ANSWERS ✔✔25 feet
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. -
CORRECT ANSWERS ✔✔upstream
with the approval of the Authority Having Jurisdiction, in
which areas shall the zone valves be permitted to be
, Med Gas Study Guide Exam Question
& Answers 2025
secured to prevent inappropriate access? - CORRECT
ANSWERS ✔✔pediatric
factory installed inlet tubes on station outlets shall be
NOT less than __________with 0.3 inch minimum inside
diameter. - CORRECT ANSWERS ✔✔NPS 1/4, 3/8 in.
O.D.
which of these operations would not breach the vacuum
system? - CORRECT ANSWERS ✔✔testing a system
component with a leak detector solution
except for valves in zone valve boxes, all valves shall be
located in secured areas such as locked pipe chases, or
be __________. - CORRECT ANSWERS ✔✔latched or
locked in operation position
medical gas Central Supply systems are NOT permitted to
be located where? - CORRECT ANSWERS ✔✔in an
unlocked location
fittings, valves, and other components for field-installed
positive pressure distribution systems shall be ________
until prepared for installation. - CORRECT ANSWERS
✔✔delivered sealed, labeled, and kept sealed
& Answers 2025
When is the initial pressure test conducted, by a medical
gas installer, on a nitrous oxide system? - CORRECT
ANSWERS ✔✔After blowdown of a distribution piping
In those portions of systems intended to handle oxygen
at pressures greater than 350 psi the interconnecting
hose shall NOT contain ________ materials? - CORRECT
ANSWERS ✔✔Polymeric
In a Category 1 Dental and Gas Vacuum Piping system,
which of the following is an NFPA 99 requirement for the
labeling of pipes? - CORRECT ANSWERS ✔✔Color
coding & non-standard pressure
Which of the following treatments shall be performed
before brazing cut ends of a tube to be installed in a
medical gas piping system? - CORRECT ANSWERS
✔✔Cut ends shall be rolled smooth or deburred
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. - CORRECT ANSWERS
✔✔Local, master
,Med Gas Study Guide Exam Question
& Answers 2025
In a non-anesthetizing area, on which side of a zone valve
shall the pressure/vacuum sensor be located? - CORRECT
ANSWERS ✔✔Station outlet/inlet
What is the purpose of using an oxygen analyzer during
the piping purge prior to brazing? - CORRECT ANSWERS
✔✔Assure that all ambient air has been removed from the
pipeline
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. -
CORRECT ANSWERS ✔✔Audible and visual
When an EOSC becomes the temporary supply source, a
facility will monitor the system by use of which of the
following? - CORRECT ANSWERS ✔✔Providing four
connection points to both master alarms
Which of the following conditions must be met where
medical gas and vacuum systems are installed by non-
certified personnel? - CORRECT ANSWERS
✔✔installation by anyone other than 6010 certified
personnel is NOT permitted
,Med Gas Study Guide Exam Question
& Answers 2025
Which of the following systems shall NOT be permitted to
be located in an outdoor enclosure? - CORRECT
ANSWERS ✔✔Medical air compressor supply sources
Metallic flexible joints are being used in the pipeline for
vibration control. Which of the following is NOT required
of such joints? - CORRECT ANSWERS ✔✔suitable for
service at 150 psig or above
who shall witness the installer-performed standing
vacuum test? - CORRECT ANSWERS ✔✔the authority
having jurisdiction, or its designee
the medical air compressor intake shall be located a
minimum of how many feet from any exhaust or
plumbing vents? - CORRECT ANSWERS ✔✔25 feet
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. -
CORRECT ANSWERS ✔✔upstream
with the approval of the Authority Having Jurisdiction, in
which areas shall the zone valves be permitted to be
, Med Gas Study Guide Exam Question
& Answers 2025
secured to prevent inappropriate access? - CORRECT
ANSWERS ✔✔pediatric
factory installed inlet tubes on station outlets shall be
NOT less than __________with 0.3 inch minimum inside
diameter. - CORRECT ANSWERS ✔✔NPS 1/4, 3/8 in.
O.D.
which of these operations would not breach the vacuum
system? - CORRECT ANSWERS ✔✔testing a system
component with a leak detector solution
except for valves in zone valve boxes, all valves shall be
located in secured areas such as locked pipe chases, or
be __________. - CORRECT ANSWERS ✔✔latched or
locked in operation position
medical gas Central Supply systems are NOT permitted to
be located where? - CORRECT ANSWERS ✔✔in an
unlocked location
fittings, valves, and other components for field-installed
positive pressure distribution systems shall be ________
until prepared for installation. - CORRECT ANSWERS
✔✔delivered sealed, labeled, and kept sealed
