MEDICAL GAS TEST LATEST 2026
QUESTIONS WITH CORRECT
ANSWERS
D. 1,000 psig - Answer-Manufactured assemblies for medical gas systems employing
flexible hose shall use flexible connectors with a minimum burst gauge pressure of how
many psig?
A. 200 psig
B. 400 psig
C. 800 psig
D. 1000 psig
C. 20, 000 ft^3 - Answer-An assembly of equipment that holds a capacity of oxygen
greater than _____ is defined as Bulk Oxygen System
A. 3,000 ft^3
B. 10,000 ft^3
C. 20,000 ft^3
D. 28,000 ft^3
D. standard - Answer-A document in which the main text contains only mandatory
provisions. Non-mandatory provisions are located in the appendix of the annex. This is
the NFPA 99 definition for which of the following?
A. guide
B. procedure
C. reference
D. standard
A. They are identified and published by an organization that is acceptable to the
authority having jurisdiction - Answer-What does it mean when equipment, material, or
services are shown as "listed"?
A. they are identified and published by an organization that is acceptable to the
authority having jurisdiction
B. they have been found tolerable for the purpose described in the manufacturer's
specifications
C. they have been tested and approved by the construction supervisor.
D. They have been tested by a medical gas verifier
C. the only motor-driven machinery in the room is for the instrument air equipment. -
Answer-Under which of these conditions shall the instrument air reserve header
cylinders be permitted to be stored with the instrument air compressor?
A. the mechanical equipment room does NOT contain a boiler.
,B. the medical air compressors are in the same room.
C. the only motor-driven machinery in the room is for the instrument air equipment
D. the room is secured with lockable doors
C. plastic coated or insulated with a material that will not absorb moisture - Answer-
Which type of copper tube hangers shall be used in a potentially damp location?
A. carbon steel
B. copper coated
C. plastic coated or insulated with a material that will not absorb moisture
D. solid copper
B. examined or treated - Answer-A patient care space is any space of a health care
facility wherein patients are intended to be
A. either admitted or discharged
B. examined or treated
C. interviewed
D. sent for x-rays
B. ammonia - Answer-The final connection between new piping and an existing system
may be tested with the system gas and must be checked with a leak detectant that does
NOT contain which of these agents?
A. acetone
B. ammonia
C. chlorine
D. freon
C. solder - Answer-Stainless tube may be joined by any methods EXCEPT which of the
following?
A. gas tungsten arc welding (GTAW)
B. metal inert gas (MIG)
C. solder
D. tungsten inert gas (TIG)
A. bulk gases - Answer-Central supply systems for which type of gas storage require
specialized knowledge and consideration of the information in the NFPA 55 for locating,
installing, and inspection?
A. bulk gases
B. carbon dioxide
C. nitrous oxide
D. argon
D. proper operation and rooms or areas of control - Answer-A valve installed in each
medical gas and vacuum piping systems shall be tested to verify which of the following?
A. date of installation
B. flow and pressure drops
C. pressure range
, D. proper operation and rooms or areas of control
D. stainless steel - Answer-All pressure relief valves shall be made of _____, brass or
bronze.
A. carbon steel
B. cast iron
C. copper
D. stainless steel
C. 3 - Answer-The reserve header in a cryogenic liquid cylinder manifold system shall
have sufficient cylinder connections for an average day's supply, but NOT fewer than
how many connections?
A. 1
B. 2
C. 3
D. 4
D. both A and B
gaseous hydrocarbons and high temperature - Answer-Where compressors that
separate the oil-containing section from the compression chamber are used, each
compressor shall be monitored for which of the following?
A. gaseous hydrocardbons
B. high temperature
C. liquid hydrocarbons
D. both A and B
D. 24 hours at 20% above normal operating pressure - Answer-The standing pressure
test for positive pressure medical gas piping shall be conducted with the source valve
closed and the piping system subjected to which test time and pressure?
A. 8 hours at 150 psi
B. 8 hours at 20% above operating pressure
C. 24 hours at 150 psi
D. 24 hours at 20% above normal operating pressure
C. testing to determine indicator function should be scheduled periodically and records
maintained between testing - Answer-Audible and visual alarm indicators shall meet
which of the following requirements?
A. CGA C-7
B. individual indicators shall NOT be less that DN20 size
C. testing to determine indicator function should be scheduled periodically and records
maintained between testing
D. The staff should be trained to operate the test button periodically and report
malfunctions
D. either A or B
QUESTIONS WITH CORRECT
ANSWERS
D. 1,000 psig - Answer-Manufactured assemblies for medical gas systems employing
flexible hose shall use flexible connectors with a minimum burst gauge pressure of how
many psig?
A. 200 psig
B. 400 psig
C. 800 psig
D. 1000 psig
C. 20, 000 ft^3 - Answer-An assembly of equipment that holds a capacity of oxygen
greater than _____ is defined as Bulk Oxygen System
A. 3,000 ft^3
B. 10,000 ft^3
C. 20,000 ft^3
D. 28,000 ft^3
D. standard - Answer-A document in which the main text contains only mandatory
provisions. Non-mandatory provisions are located in the appendix of the annex. This is
the NFPA 99 definition for which of the following?
A. guide
B. procedure
C. reference
D. standard
A. They are identified and published by an organization that is acceptable to the
authority having jurisdiction - Answer-What does it mean when equipment, material, or
services are shown as "listed"?
A. they are identified and published by an organization that is acceptable to the
authority having jurisdiction
B. they have been found tolerable for the purpose described in the manufacturer's
specifications
C. they have been tested and approved by the construction supervisor.
D. They have been tested by a medical gas verifier
C. the only motor-driven machinery in the room is for the instrument air equipment. -
Answer-Under which of these conditions shall the instrument air reserve header
cylinders be permitted to be stored with the instrument air compressor?
A. the mechanical equipment room does NOT contain a boiler.
,B. the medical air compressors are in the same room.
C. the only motor-driven machinery in the room is for the instrument air equipment
D. the room is secured with lockable doors
C. plastic coated or insulated with a material that will not absorb moisture - Answer-
Which type of copper tube hangers shall be used in a potentially damp location?
A. carbon steel
B. copper coated
C. plastic coated or insulated with a material that will not absorb moisture
D. solid copper
B. examined or treated - Answer-A patient care space is any space of a health care
facility wherein patients are intended to be
A. either admitted or discharged
B. examined or treated
C. interviewed
D. sent for x-rays
B. ammonia - Answer-The final connection between new piping and an existing system
may be tested with the system gas and must be checked with a leak detectant that does
NOT contain which of these agents?
A. acetone
B. ammonia
C. chlorine
D. freon
C. solder - Answer-Stainless tube may be joined by any methods EXCEPT which of the
following?
A. gas tungsten arc welding (GTAW)
B. metal inert gas (MIG)
C. solder
D. tungsten inert gas (TIG)
A. bulk gases - Answer-Central supply systems for which type of gas storage require
specialized knowledge and consideration of the information in the NFPA 55 for locating,
installing, and inspection?
A. bulk gases
B. carbon dioxide
C. nitrous oxide
D. argon
D. proper operation and rooms or areas of control - Answer-A valve installed in each
medical gas and vacuum piping systems shall be tested to verify which of the following?
A. date of installation
B. flow and pressure drops
C. pressure range
, D. proper operation and rooms or areas of control
D. stainless steel - Answer-All pressure relief valves shall be made of _____, brass or
bronze.
A. carbon steel
B. cast iron
C. copper
D. stainless steel
C. 3 - Answer-The reserve header in a cryogenic liquid cylinder manifold system shall
have sufficient cylinder connections for an average day's supply, but NOT fewer than
how many connections?
A. 1
B. 2
C. 3
D. 4
D. both A and B
gaseous hydrocarbons and high temperature - Answer-Where compressors that
separate the oil-containing section from the compression chamber are used, each
compressor shall be monitored for which of the following?
A. gaseous hydrocardbons
B. high temperature
C. liquid hydrocarbons
D. both A and B
D. 24 hours at 20% above normal operating pressure - Answer-The standing pressure
test for positive pressure medical gas piping shall be conducted with the source valve
closed and the piping system subjected to which test time and pressure?
A. 8 hours at 150 psi
B. 8 hours at 20% above operating pressure
C. 24 hours at 150 psi
D. 24 hours at 20% above normal operating pressure
C. testing to determine indicator function should be scheduled periodically and records
maintained between testing - Answer-Audible and visual alarm indicators shall meet
which of the following requirements?
A. CGA C-7
B. individual indicators shall NOT be less that DN20 size
C. testing to determine indicator function should be scheduled periodically and records
maintained between testing
D. The staff should be trained to operate the test button periodically and report
malfunctions
D. either A or B
