Page 1 of 85
Med Gas Mock Exam NEWEST COMPLETE 350
QUESTIONS AND VERIFIED SOLUTIONS 2026-2027
LATEST UPDATE THIS YEAR
Med Gas Mock Exam
Piping between the vacuum pump and the source shutoff valve shall be permitted to be ___.
A.) brass pipe
B.) galvanized steel pipe
C.) black steel pipe
D.) all of the above
D.) all of the above
An assembly of equipment for supplying compressed gas (consisting of, but not limited to,
storage containers, pressure regulators, pressure relief devices, vaporizers, manifolds, and
interconnecting piping) that terminates where the gas, at service pressure, first enters the
main line. The storage containers are either stationary or movable and include unconnected
reserves on hand at the site, and the source gas is stored as a compressed gas or cryogenic
fluid. What type of system is this?
Bulk system
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A low pressure, vacuum-insulated vessel containing gases in liquid form. What is this the
definition for?
Container
The medical air intake shall be located a minimum of ___ from all vehicular exhaust and
noxious fumes.
25 ft
Computer systems used as a master alarm shall be continously attended or shall provide
remote signaling of responsible parties through ___.
A.) pagers
B.) telephone
C.) cell phone
D.) any of the above
D.) any of the above
A chemical element that, at normal atmospheric temperature and pressures, existing as a
colorless, odorless and tasteless gas and comprises about 21% of the earth's atmosphere by
volume.
Oxygen
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What percent of the zones shall be tested at the outlet most remote from the source to verify
the piping particulate test?
25%
In a central supply systems using gas cylinders, each header shall have a ___ valve to prevent
backlog and to permit service to the header.
Check
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned Medical Gas
Systems Shutdown and Temporary Backfeed". Annex J guideline do NOT include a list of
responsibilities for which types of worker
A.) Verifier
B.) Medical Gas Generalist
C.) Installer
D.) Shutdown Coordinator
B.) Medical Gas Generalist
Which source shall NOT be used to power the venturri of a WAGD system?
A.) water
B.) instrument air
, Page 4 of 85
C.) inert gas
D.) medical air
D.) medical air
Which NFPA code should you refer to for Life Safety?
NFPA 101
Recievers for medical air shall be equipped with ___.
A.) relief valves
B.) automatic and manual drains
C.) sight glass
D.) all of the above
D.) all of the above
To facilitate service, testing or replacement, all pressure switches and mainline gauges
downstream of the source valve shall be provided with a ___.
Demand check fitting
Which of these is an NFPA 99 requirement for the labeling of pipes in a medical gas system?
A.) Reflective label
B.) Fixed label width
Med Gas Mock Exam NEWEST COMPLETE 350
QUESTIONS AND VERIFIED SOLUTIONS 2026-2027
LATEST UPDATE THIS YEAR
Med Gas Mock Exam
Piping between the vacuum pump and the source shutoff valve shall be permitted to be ___.
A.) brass pipe
B.) galvanized steel pipe
C.) black steel pipe
D.) all of the above
D.) all of the above
An assembly of equipment for supplying compressed gas (consisting of, but not limited to,
storage containers, pressure regulators, pressure relief devices, vaporizers, manifolds, and
interconnecting piping) that terminates where the gas, at service pressure, first enters the
main line. The storage containers are either stationary or movable and include unconnected
reserves on hand at the site, and the source gas is stored as a compressed gas or cryogenic
fluid. What type of system is this?
Bulk system
,Page 2 of 85
A low pressure, vacuum-insulated vessel containing gases in liquid form. What is this the
definition for?
Container
The medical air intake shall be located a minimum of ___ from all vehicular exhaust and
noxious fumes.
25 ft
Computer systems used as a master alarm shall be continously attended or shall provide
remote signaling of responsible parties through ___.
A.) pagers
B.) telephone
C.) cell phone
D.) any of the above
D.) any of the above
A chemical element that, at normal atmospheric temperature and pressures, existing as a
colorless, odorless and tasteless gas and comprises about 21% of the earth's atmosphere by
volume.
Oxygen
,Page 3 of 85
What percent of the zones shall be tested at the outlet most remote from the source to verify
the piping particulate test?
25%
In a central supply systems using gas cylinders, each header shall have a ___ valve to prevent
backlog and to permit service to the header.
Check
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned Medical Gas
Systems Shutdown and Temporary Backfeed". Annex J guideline do NOT include a list of
responsibilities for which types of worker
A.) Verifier
B.) Medical Gas Generalist
C.) Installer
D.) Shutdown Coordinator
B.) Medical Gas Generalist
Which source shall NOT be used to power the venturri of a WAGD system?
A.) water
B.) instrument air
, Page 4 of 85
C.) inert gas
D.) medical air
D.) medical air
Which NFPA code should you refer to for Life Safety?
NFPA 101
Recievers for medical air shall be equipped with ___.
A.) relief valves
B.) automatic and manual drains
C.) sight glass
D.) all of the above
D.) all of the above
To facilitate service, testing or replacement, all pressure switches and mainline gauges
downstream of the source valve shall be provided with a ___.
Demand check fitting
Which of these is an NFPA 99 requirement for the labeling of pipes in a medical gas system?
A.) Reflective label
B.) Fixed label width
