MED GAS UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS
●● In those portions of systems intended to handle oxygen at pressures
greater than 350 psi the interconnecting hose shall NOT contain
________ materials?
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?
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?
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.
Answer: Local, master
●● In a non-anesthetizing area, on which side of a zone valve shall the
pressure/vacuum sensor be located?
,Answer: Station outlet/inlet
●● 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
●● 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
●● 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
●● 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
●● Which of the following systems shall NOT be permitted to be
located in an outdoor enclosure?
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?
Answer: suitable for service at 150 psig or above
●● who shall witness the installer-performed standing vacuum test?
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?
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.
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?
Answer: pediatric
●● 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.
, ●● which of these operations would not breach the vacuum system?
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 __________.
Answer: latched or locked in operation position
●● medical gas Central Supply systems are NOT permitted to be located
where?
Answer: in an unlocked location
●● 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
●● 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
●● NFPA 99 specifies that the medical gas piping system shall be
protected against all EXCEPT which of the following?
AND CORRECT ANSWERS
●● In those portions of systems intended to handle oxygen at pressures
greater than 350 psi the interconnecting hose shall NOT contain
________ materials?
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?
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?
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.
Answer: Local, master
●● In a non-anesthetizing area, on which side of a zone valve shall the
pressure/vacuum sensor be located?
,Answer: Station outlet/inlet
●● 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
●● 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
●● 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
●● 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
●● Which of the following systems shall NOT be permitted to be
located in an outdoor enclosure?
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?
Answer: suitable for service at 150 psig or above
●● who shall witness the installer-performed standing vacuum test?
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?
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.
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?
Answer: pediatric
●● 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.
, ●● which of these operations would not breach the vacuum system?
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 __________.
Answer: latched or locked in operation position
●● medical gas Central Supply systems are NOT permitted to be located
where?
Answer: in an unlocked location
●● 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
●● 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
●● NFPA 99 specifies that the medical gas piping system shall be
protected against all EXCEPT which of the following?
