Page 1 of 85
Med Gas Exam ALL 400 QUESTIONS AND CORRECT
ANSWERS LATEST UPDATE THIS YEAR
Med Gas Exam
Metallic flexible joints are being used in the pipeline for vibration control. Which of the
following is NOT required of such joints?
A.) Recieved on the jobsite with certification of cleanliness
B.)Suitable for service at 150 psig or above
C.) Provided with extensions for brazing
D.) Able to withstand 1000⁰F
B.)Suitable for service at 150 psig or above.
NFPA 99 specifies that the medical gas system shall be protected against all EXCEPT which of
the following?
A.) Physical damage
B.) Freezing
C.) combustible liquids
D.) Corrosion
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C.) combustible liquids
A signal from each ___ system shall be connected to the master alarm panels to indicate that
a problem is present with the source equipment.
local alarm
Where existing, the portion of the supply equipment that automatically supplies the system
when the primary and secondary are unable.
reserve supply
Which of these operations would NOT breach the vacuum system?
A.) Addition of a system component
B.) Removal of a system component
C.) Replacement of system component with an identical one
D.) Testing a system component with a leak detecting solution
D.) Testing a system component with a leak detecting solution
Liquid ring compressors, service water and seal water shall be treated to control ___.
A.) waterborne pathogens
B.) chlorine
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C.) hyperchlorination
D.) all of the above
D.) all of the above
Cylinders and cryogenic liquid container outlet connections shall be affixed in such a manner
as to ve integral to the valve, unremovable with ordinary tools or so designed as to render
the attachment point ___ when removal of the outlet connection is attempted
unusable
The medical air intake shall be located at a minimum of ___ from all doors, windows or other
openings in the building.
10 ft
Heating, cooling, ventilating and process systems serving spaces or providing healthcare
functions shall be provided in accordance with ___.
ASHRAE 170
New medical gas and vacuum pipeline distribution systems shall not be connected to the
existing in-use systems until which installer preformed tests have been completed?
Initial pressure
New or replacement shutoff valves for medical gas pressure piping systems shall ___.
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A.) be quarter turn valves
B.) constructed of material suitable for service
C.) have extensions for brazing
D.) all of the above
D.) all of the above
The auxiliary source connection shall be ___ and secured.
Normally closed
Vacuum systems deemed breached shall be subject to inspection and testing to the specific
area located ___ of the point of intrusion.
Upstream
Central supply systems for nitrous oxide and carbon dioxide using cylinders or portable
containers shall be prevented from reaching temperatures lower than ___⁰F.
20
Fittings with internal seals shall be permitted where they meet all of the following
requirements:
A.) shall be brass or bronze
B.) Shall be cleaned for oxygen service when used in patient gases or support gases
C.) Shall be installed only where visible and accessible, allowing for testing and servicing
D.) Both B and C
4
Med Gas Exam ALL 400 QUESTIONS AND CORRECT
ANSWERS LATEST UPDATE THIS YEAR
Med Gas Exam
Metallic flexible joints are being used in the pipeline for vibration control. Which of the
following is NOT required of such joints?
A.) Recieved on the jobsite with certification of cleanliness
B.)Suitable for service at 150 psig or above
C.) Provided with extensions for brazing
D.) Able to withstand 1000⁰F
B.)Suitable for service at 150 psig or above.
NFPA 99 specifies that the medical gas system shall be protected against all EXCEPT which of
the following?
A.) Physical damage
B.) Freezing
C.) combustible liquids
D.) Corrosion
1
, Page 2 of 85
C.) combustible liquids
A signal from each ___ system shall be connected to the master alarm panels to indicate that
a problem is present with the source equipment.
local alarm
Where existing, the portion of the supply equipment that automatically supplies the system
when the primary and secondary are unable.
reserve supply
Which of these operations would NOT breach the vacuum system?
A.) Addition of a system component
B.) Removal of a system component
C.) Replacement of system component with an identical one
D.) Testing a system component with a leak detecting solution
D.) Testing a system component with a leak detecting solution
Liquid ring compressors, service water and seal water shall be treated to control ___.
A.) waterborne pathogens
B.) chlorine
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, Page 3 of 85
C.) hyperchlorination
D.) all of the above
D.) all of the above
Cylinders and cryogenic liquid container outlet connections shall be affixed in such a manner
as to ve integral to the valve, unremovable with ordinary tools or so designed as to render
the attachment point ___ when removal of the outlet connection is attempted
unusable
The medical air intake shall be located at a minimum of ___ from all doors, windows or other
openings in the building.
10 ft
Heating, cooling, ventilating and process systems serving spaces or providing healthcare
functions shall be provided in accordance with ___.
ASHRAE 170
New medical gas and vacuum pipeline distribution systems shall not be connected to the
existing in-use systems until which installer preformed tests have been completed?
Initial pressure
New or replacement shutoff valves for medical gas pressure piping systems shall ___.
3
, Page 4 of 85
A.) be quarter turn valves
B.) constructed of material suitable for service
C.) have extensions for brazing
D.) all of the above
D.) all of the above
The auxiliary source connection shall be ___ and secured.
Normally closed
Vacuum systems deemed breached shall be subject to inspection and testing to the specific
area located ___ of the point of intrusion.
Upstream
Central supply systems for nitrous oxide and carbon dioxide using cylinders or portable
containers shall be prevented from reaching temperatures lower than ___⁰F.
20
Fittings with internal seals shall be permitted where they meet all of the following
requirements:
A.) shall be brass or bronze
B.) Shall be cleaned for oxygen service when used in patient gases or support gases
C.) Shall be installed only where visible and accessible, allowing for testing and servicing
D.) Both B and C
4
