Medical Gas Test Exam
Questions And Correct Answers
When is the initial pressure test conducted, by a medical gas installer, on a
nitrous oxide system? Answers After blow down of a distribution pipeline
In those portions of systems intended to handle oxygen at pressures greater
than 350 PSI, the interconnecting hose shall not contain _____ materials?
Answers Polymeric
In category one dental and gas vacuum piping systems, what is the NFPA 99
requirement for the labeling of pipes? Answers Color coding
What treatments shall be performed before brazing cut ends of a tube to be
installed in a medical gas piping system? Answers Cut ends may be be
rolled smooth or deburred
Manifolds for gas cylinders shall actuate a ____ signal and shall activate an
indicator at all ____ alarm panels to indicate when or just before change over
from one header to the other Answers local, master
In a non-anesthetizing area, on which side of a zoned valve shall the
pressure/vacuum sensor be located? Answers Station outlet/inlet
What is the purpose of using an oxygen analyzer during the piping purge prior
to brazing? Answers To assure that all ambient air has been removed from
the pipeline
A medical gas master or area alarm panel should be set to actuate an ____
indicator when the communication with an alarm initiating device is
disconnected. Answers Audible and visual
When an EOSC becomes the temporary supply source, a facility will monitor
the system by use of? Answers Providing four connection points through
two master alarms
,What condition must be met where medical gas and vacuum systems are
installed by non certified personnel? Answers Installation by anyone other
than 6010 certified personnel is not permitted
Which of the following systems shall not permitted to be located in an
outdoor inclosure?
A. Bulk cryogenic liquid system
B. Manifolds for cryogenic liquid cylinders
C. Manifolds for gas cylinders with or without reserve
D. Medical air compressors supply sources Answers medical air
compressors supply sources
Metallic flexible joints are being used in the pipeline for vibration control.
What is NOT, required for such a joints?
A) able tho withstand 1000 degrees
B) provide brazing extensions to allow brazing in to the pipe line.
C) received on the job site with certification of cleanliness
D) Suitable for service at 150, p.s.i. or above Answers Suitable for service at
150, p.s.i. or above
Who shall witness the installer perform both standing pressure test and
standing vacuum test?
A) installation contractor superintendent.
B) Medical Gas verifier
C) The authority having jurisdiction or its designee
D) a witness is not required Answers The authority having jurisdiction or its
designee
The medical air compressor intakes shall be located a minimum of how many
feet from any exhaust or plumbing vents?
A)10 feet
B) 12 feet
, C) 15 feet
D) 25 feet 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. Answers Upstream
With the approval of the authority having jurisdiction, a zone valve shall be
permitted to be secured to prevent inappropriate access in ____ areas?
A) anesthetizing
B) critical care
C) maternity
D) psychiatric or pediatric Answers psychiatric or pediatric
Factory installed inlet tubes on station outlets shall be not less than ____ with
0.3 inch inside diameter. Answers NPS 1/4 in, 3/8 in. O.D.
Which of these operations would not reach the vacuum system?
A. Addition of a system component
B. Removal of a system component
C. Replacement of system component with identical one
D. Testing a system component with a leak detector solution 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 _____. Answers Latched or locked in
operation position
Medical Gas central supply systems are not permitted to be located where?
A) in an unlocked location.
B) in the same storage faculty as medical gas cylinders.
C) outdoors.
Questions And Correct Answers
When is the initial pressure test conducted, by a medical gas installer, on a
nitrous oxide system? Answers After blow down of a distribution pipeline
In those portions of systems intended to handle oxygen at pressures greater
than 350 PSI, the interconnecting hose shall not contain _____ materials?
Answers Polymeric
In category one dental and gas vacuum piping systems, what is the NFPA 99
requirement for the labeling of pipes? Answers Color coding
What treatments shall be performed before brazing cut ends of a tube to be
installed in a medical gas piping system? Answers Cut ends may be be
rolled smooth or deburred
Manifolds for gas cylinders shall actuate a ____ signal and shall activate an
indicator at all ____ alarm panels to indicate when or just before change over
from one header to the other Answers local, master
In a non-anesthetizing area, on which side of a zoned valve shall the
pressure/vacuum sensor be located? Answers Station outlet/inlet
What is the purpose of using an oxygen analyzer during the piping purge prior
to brazing? Answers To assure that all ambient air has been removed from
the pipeline
A medical gas master or area alarm panel should be set to actuate an ____
indicator when the communication with an alarm initiating device is
disconnected. Answers Audible and visual
When an EOSC becomes the temporary supply source, a facility will monitor
the system by use of? Answers Providing four connection points through
two master alarms
,What condition must be met where medical gas and vacuum systems are
installed by non certified personnel? Answers Installation by anyone other
than 6010 certified personnel is not permitted
Which of the following systems shall not permitted to be located in an
outdoor inclosure?
A. Bulk cryogenic liquid system
B. Manifolds for cryogenic liquid cylinders
C. Manifolds for gas cylinders with or without reserve
D. Medical air compressors supply sources Answers medical air
compressors supply sources
Metallic flexible joints are being used in the pipeline for vibration control.
What is NOT, required for such a joints?
A) able tho withstand 1000 degrees
B) provide brazing extensions to allow brazing in to the pipe line.
C) received on the job site with certification of cleanliness
D) Suitable for service at 150, p.s.i. or above Answers Suitable for service at
150, p.s.i. or above
Who shall witness the installer perform both standing pressure test and
standing vacuum test?
A) installation contractor superintendent.
B) Medical Gas verifier
C) The authority having jurisdiction or its designee
D) a witness is not required Answers The authority having jurisdiction or its
designee
The medical air compressor intakes shall be located a minimum of how many
feet from any exhaust or plumbing vents?
A)10 feet
B) 12 feet
, C) 15 feet
D) 25 feet 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. Answers Upstream
With the approval of the authority having jurisdiction, a zone valve shall be
permitted to be secured to prevent inappropriate access in ____ areas?
A) anesthetizing
B) critical care
C) maternity
D) psychiatric or pediatric Answers psychiatric or pediatric
Factory installed inlet tubes on station outlets shall be not less than ____ with
0.3 inch inside diameter. Answers NPS 1/4 in, 3/8 in. O.D.
Which of these operations would not reach the vacuum system?
A. Addition of a system component
B. Removal of a system component
C. Replacement of system component with identical one
D. Testing a system component with a leak detector solution 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 _____. Answers Latched or locked in
operation position
Medical Gas central supply systems are not permitted to be located where?
A) in an unlocked location.
B) in the same storage faculty as medical gas cylinders.
C) outdoors.
