Med Gas Study Guide Exam
Questions and Answers
When is the initial pressure test conducted, by a medical gas installer, on a
nitrous oxide system? - -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? - -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? - -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? - -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. - -Local, master
- In a non-anesthetizing area, on which side of a zone valve shall the
pressure/vacuum sensor be located? - -Station outlet/inlet
- What is the purpose of using an oxygen analyzer during the piping purge
prior to brazing? - -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. - -Audible and visual
- When an EOSC becomes the temporary supply source, a facility will
monitor the system by use of which of the following? - -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? - -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? - -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? - -suitable for service
at 150 psig or above
- who shall witness the installer-performed standing vacuum test? - -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? - -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. - -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?
- -pediatric
- factory installed inlet tubes on station outlets shall be NOT less than
__________with 0.3 inch minimum inside diameter. - -NPS 1/4, 3/8 in. O.D.
- which of these operations would not breach the vacuum system? - -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 __________. - -latched or locked in
operation position
- medical gas Central Supply systems are NOT permitted to be located
where? - -in an unlocked location
- fittings, valves, and other components for field-installed positive pressure
distribution systems shall be ________ until prepared for installation. - -
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. - -a teaching laboratory
- NFPA 99 specifies that the medical gas piping system shall be protected
against all EXCEPT which of the following? - -exposure to liquids
- category 1 support gasses carry which of these additional hazards? - -
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? - -1000
- an assembly of equipment that holds a capacity of oxygen greater than
____________ is defined as a Bulk Oxygen System - -20,000 ft^3
- what does it mean when equipment, material or services are shows as
"listed"? - -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? - -
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? - -plastic coated
- stainless tubes may be joined by any methods EXCEPT which of the
following? - -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? - -Bulk Gas
- all pressure relief valves shall be made of ______ brass, or bronze. - -
stainless steel
- the reserve header in a cryogenic liquid cylinder manifold system shall
have sufficient cylinder connections for one average day's supply, but NOT
fewer than how many connections? - -3
- all fittings for medical gas work shall be kept separate from other tools and
kept free of grease or oil. If cleaned, only a degreaser such as __________ is
permitted. - -trisodium phosphate or sodium carbonate with potable water
- station outlets/inlets shall be identified as to the ________ for the specific
gas or vacuum provided. - -name or chemical symbol
- when brazing, joints shall be continuously purges with oil-free, dry nitrogen
NF to prevent the formation of __________ on the inside surfaces of the joint. -
-copper oxide
Questions and Answers
When is the initial pressure test conducted, by a medical gas installer, on a
nitrous oxide system? - -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? - -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? - -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? - -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. - -Local, master
- In a non-anesthetizing area, on which side of a zone valve shall the
pressure/vacuum sensor be located? - -Station outlet/inlet
- What is the purpose of using an oxygen analyzer during the piping purge
prior to brazing? - -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. - -Audible and visual
- When an EOSC becomes the temporary supply source, a facility will
monitor the system by use of which of the following? - -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? - -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? - -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? - -suitable for service
at 150 psig or above
- who shall witness the installer-performed standing vacuum test? - -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? - -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. - -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?
- -pediatric
- factory installed inlet tubes on station outlets shall be NOT less than
__________with 0.3 inch minimum inside diameter. - -NPS 1/4, 3/8 in. O.D.
- which of these operations would not breach the vacuum system? - -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 __________. - -latched or locked in
operation position
- medical gas Central Supply systems are NOT permitted to be located
where? - -in an unlocked location
- fittings, valves, and other components for field-installed positive pressure
distribution systems shall be ________ until prepared for installation. - -
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. - -a teaching laboratory
- NFPA 99 specifies that the medical gas piping system shall be protected
against all EXCEPT which of the following? - -exposure to liquids
- category 1 support gasses carry which of these additional hazards? - -
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? - -1000
- an assembly of equipment that holds a capacity of oxygen greater than
____________ is defined as a Bulk Oxygen System - -20,000 ft^3
- what does it mean when equipment, material or services are shows as
"listed"? - -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? - -
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? - -plastic coated
- stainless tubes may be joined by any methods EXCEPT which of the
following? - -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? - -Bulk Gas
- all pressure relief valves shall be made of ______ brass, or bronze. - -
stainless steel
- the reserve header in a cryogenic liquid cylinder manifold system shall
have sufficient cylinder connections for one average day's supply, but NOT
fewer than how many connections? - -3
- all fittings for medical gas work shall be kept separate from other tools and
kept free of grease or oil. If cleaned, only a degreaser such as __________ is
permitted. - -trisodium phosphate or sodium carbonate with potable water
- station outlets/inlets shall be identified as to the ________ for the specific
gas or vacuum provided. - -name or chemical symbol
- when brazing, joints shall be continuously purges with oil-free, dry nitrogen
NF to prevent the formation of __________ on the inside surfaces of the joint. -
-copper oxide
