84 Questions MED GAS and Answers
Station outlets/inlets shall be identified as to the _______ for the specific gas or vacuum
provided.
A. Chemical symbol
B. Name
C. Name or chemical symbol
D. Piping type - <CORRECT ANSWER >>c
When brazing, joints shall be continuously purged with oil-free, dry nitrogen NF to prevent the
formation of _______ on the inside surface of the joint.
A. Copper oxide
B. Crystalliation
C. Polymeric materials
D. Volatalized liquids - <CORRECT ANSWER >>a
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned Medical gas
Systems Shutdown and Temporary Backfeed." Annex J guidelines do NOT include a list of
responsibilites for which types of worker?
A. Installer
B. Medical Gas Generalist
C. Shutdown Coordinator
D. Verifier - <CORRECT ANSWER >>b
What is the standard gauge pressure (psi) for nitrogen gas service?
A. 15-30
B. 50-55
C. 160-185
,D. It varies with the system type - <CORRECT ANSWER >>c
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or caregivers,
the system shall be designed to meet which Category of requirements?
A. 1
B. 2
C. 3
D. 4 - <CORRECT ANSWER >>a
How many hours must the medical air compressor system be operating normally before air
quality test can be performed?
A. 2
B. 8
C. 12
D. 32 - <CORRECT ANSWER >>c
Which of the following fittings is NOT permitted for joining vacuum distribution pipeline
systems?
A. Axially swaged
B. Memory metal
C. Non-removable push-fit
D. Welded - <CORRECT ANSWER >>c
Medical air sources shall be used for ______ and human respiration.
A. Air-operating devices
B. Calibration of medical respiratory devices
C. Disinfecting tools.
, D. Instrument air - <CORRECT ANSWER >>b
In central supply systems using gas cylinders, each header shall have a __________ valve to
prevent backflow and to permit service to the header.
A. Ball
B. Bypass
C. Check
D. Relief - <CORRECT ANSWER >>c
Which type of connectors shall connect the medical air compressors with their intake and
outlet piping?
A. Compression fitting
B. Dielectric
C. Flexible
D. Insulated - <CORRECT ANSWER >>c
WAGD networks shall provide a WAGD inlet in all locations where _____ is intended to be
administered.
A. Medical air
B. Nitrogen
C. Nitrous oxide
D. Oxygen - <CORRECT ANSWER >>c
In a bulk supply system, when the cryogenic liquid reserve's contents are reduced to one day's
supply, which alarm system(s) shall be activated?
A. Area
B. Local
C. Master
Station outlets/inlets shall be identified as to the _______ for the specific gas or vacuum
provided.
A. Chemical symbol
B. Name
C. Name or chemical symbol
D. Piping type - <CORRECT ANSWER >>c
When brazing, joints shall be continuously purged with oil-free, dry nitrogen NF to prevent the
formation of _______ on the inside surface of the joint.
A. Copper oxide
B. Crystalliation
C. Polymeric materials
D. Volatalized liquids - <CORRECT ANSWER >>a
ASSE 6000 Annex J provides "Recommended Guidelines for Conducting Planned Medical gas
Systems Shutdown and Temporary Backfeed." Annex J guidelines do NOT include a list of
responsibilites for which types of worker?
A. Installer
B. Medical Gas Generalist
C. Shutdown Coordinator
D. Verifier - <CORRECT ANSWER >>b
What is the standard gauge pressure (psi) for nitrogen gas service?
A. 15-30
B. 50-55
C. 160-185
,D. It varies with the system type - <CORRECT ANSWER >>c
In a facility where medical gas or vacuum systems are present and the failure of such
equipment or system is likely to cause imminent major injury or death to patients or caregivers,
the system shall be designed to meet which Category of requirements?
A. 1
B. 2
C. 3
D. 4 - <CORRECT ANSWER >>a
How many hours must the medical air compressor system be operating normally before air
quality test can be performed?
A. 2
B. 8
C. 12
D. 32 - <CORRECT ANSWER >>c
Which of the following fittings is NOT permitted for joining vacuum distribution pipeline
systems?
A. Axially swaged
B. Memory metal
C. Non-removable push-fit
D. Welded - <CORRECT ANSWER >>c
Medical air sources shall be used for ______ and human respiration.
A. Air-operating devices
B. Calibration of medical respiratory devices
C. Disinfecting tools.
, D. Instrument air - <CORRECT ANSWER >>b
In central supply systems using gas cylinders, each header shall have a __________ valve to
prevent backflow and to permit service to the header.
A. Ball
B. Bypass
C. Check
D. Relief - <CORRECT ANSWER >>c
Which type of connectors shall connect the medical air compressors with their intake and
outlet piping?
A. Compression fitting
B. Dielectric
C. Flexible
D. Insulated - <CORRECT ANSWER >>c
WAGD networks shall provide a WAGD inlet in all locations where _____ is intended to be
administered.
A. Medical air
B. Nitrogen
C. Nitrous oxide
D. Oxygen - <CORRECT ANSWER >>c
In a bulk supply system, when the cryogenic liquid reserve's contents are reduced to one day's
supply, which alarm system(s) shall be activated?
A. Area
B. Local
C. Master
