Med Gas Study Guide questions with verified || || || || || || ||
detailed solutions ||
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
|| || || || ||
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 || || ||
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 ||
detailed solutions ||
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
|| || || || ||
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 || || ||
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 ||
