Med Gas Study Guide
When is the initial pressure test conducted, by a medical gas installer, on a nitrous oxide system? -
✔✔ correct answer 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 answer 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 answer 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 answer 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 answer Local, master
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum sensor be
located? - ✔✔ correct answer Station outlet/inlet
What is the purpose of using an oxygen analyzer during the piping purge prior to brazing? - ✔✔
correct answer 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 answer 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 answer 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 answer installation by anyone other than 6010 certified
personnel is NOT permitted
Which of the following systems shall NOT be permitted to be located in an outdoor enclosure? - ✔✔
correct answer Medical air compressor supply sources
,Med Gas Study Guide
Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is
NOT required of such joints? - ✔✔ correct answer suitable for service at 150 psig or above
who shall witness the installer-performed standing vacuum test? - ✔✔ correct answer 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 answer 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 answer upstream
with the approval of the Authority Having Jurisdiction, in which areas shall the zone valves be
permitted to be secured to prevent inappropriate access? - ✔✔ correct answer pediatric
factory installed inlet tubes on station outlets shall be NOT less than __________with 0.3 inch
minimum inside diameter. - ✔✔ correct answer NPS 1/4, 3/8 in. O.D.
which of these operations would not breach the vacuum system? - ✔✔ correct answer 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 answer latched or locked in operation position
medical gas Central Supply systems are NOT permitted to be located where? - ✔✔ correct answer in
an unlocked location
fittings, valves, and other components for field-installed positive pressure distribution systems shall
be ________ until prepared for installation. - ✔✔ correct answer delivered sealed, labeled, and kept
sealed
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. -
✔✔ correct answer a teaching laboratory
, Med Gas Study Guide
NFPA 99 specifies that the medical gas piping system shall be protected against all EXCEPT which of
the following? - ✔✔ correct answer exposure to liquids
category 1 support gasses carry which of these additional hazards? - ✔✔ correct answer higher
pressures
manufactured assemblies for medical gas systems employing flexible hose shall use flexible
connectors with a minimum burst gauge pressure of how many psi? - ✔✔ correct answer 1000
an assembly of equipment that holds a capacity of oxygen greater than ____________ is defined as a
Bulk Oxygen System - ✔✔ correct answer 20,000 ft^3
what does it mean when equipment, material or services are shows as "listed"? - ✔✔ correct answer
they are identified and published by an organization that is acceptable to the authority having
jurisdiction
under which of these conditions shall instrument air reserve header cylinders be permitted to be
stored with the instrument air compressor? - ✔✔ correct answer the only motor-driven machinery in
the rooms is for the instrument air equipment.
which type of copper tube hangers shall be used in a potentially damp location? - ✔✔ correct
answer plastic coated
stainless tubes may be joined by any methods EXCEPT which of the following? - ✔✔ correct answer
Braze
gas storage for Central Supply Systems required specialized knowledge and consideration of
information in the NFPA 55 for locating, installing and inspection of which of the following? - ✔✔
correct answer Bulk Gas
all pressure relief valves shall be made of ______ brass, or bronze. - ✔✔ correct answer stainless
steel
When is the initial pressure test conducted, by a medical gas installer, on a nitrous oxide system? -
✔✔ correct answer 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 answer 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 answer 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 answer 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 answer Local, master
In a non-anesthetizing area, on which side of a zone valve shall the pressure/vacuum sensor be
located? - ✔✔ correct answer Station outlet/inlet
What is the purpose of using an oxygen analyzer during the piping purge prior to brazing? - ✔✔
correct answer 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 answer 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 answer 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 answer installation by anyone other than 6010 certified
personnel is NOT permitted
Which of the following systems shall NOT be permitted to be located in an outdoor enclosure? - ✔✔
correct answer Medical air compressor supply sources
,Med Gas Study Guide
Metallic flexible joints are being used in the pipeline for vibration control. Which of the following is
NOT required of such joints? - ✔✔ correct answer suitable for service at 150 psig or above
who shall witness the installer-performed standing vacuum test? - ✔✔ correct answer 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 answer 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 answer upstream
with the approval of the Authority Having Jurisdiction, in which areas shall the zone valves be
permitted to be secured to prevent inappropriate access? - ✔✔ correct answer pediatric
factory installed inlet tubes on station outlets shall be NOT less than __________with 0.3 inch
minimum inside diameter. - ✔✔ correct answer NPS 1/4, 3/8 in. O.D.
which of these operations would not breach the vacuum system? - ✔✔ correct answer 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 answer latched or locked in operation position
medical gas Central Supply systems are NOT permitted to be located where? - ✔✔ correct answer in
an unlocked location
fittings, valves, and other components for field-installed positive pressure distribution systems shall
be ________ until prepared for installation. - ✔✔ correct answer delivered sealed, labeled, and kept
sealed
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. -
✔✔ correct answer a teaching laboratory
, Med Gas Study Guide
NFPA 99 specifies that the medical gas piping system shall be protected against all EXCEPT which of
the following? - ✔✔ correct answer exposure to liquids
category 1 support gasses carry which of these additional hazards? - ✔✔ correct answer higher
pressures
manufactured assemblies for medical gas systems employing flexible hose shall use flexible
connectors with a minimum burst gauge pressure of how many psi? - ✔✔ correct answer 1000
an assembly of equipment that holds a capacity of oxygen greater than ____________ is defined as a
Bulk Oxygen System - ✔✔ correct answer 20,000 ft^3
what does it mean when equipment, material or services are shows as "listed"? - ✔✔ correct answer
they are identified and published by an organization that is acceptable to the authority having
jurisdiction
under which of these conditions shall instrument air reserve header cylinders be permitted to be
stored with the instrument air compressor? - ✔✔ correct answer the only motor-driven machinery in
the rooms is for the instrument air equipment.
which type of copper tube hangers shall be used in a potentially damp location? - ✔✔ correct
answer plastic coated
stainless tubes may be joined by any methods EXCEPT which of the following? - ✔✔ correct answer
Braze
gas storage for Central Supply Systems required specialized knowledge and consideration of
information in the NFPA 55 for locating, installing and inspection of which of the following? - ✔✔
correct answer Bulk Gas
all pressure relief valves shall be made of ______ brass, or bronze. - ✔✔ correct answer stainless
steel
