Exam (elaborations)
MED GAS EXAM QUESTIONS AND ANSWERS
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MED GAS EXAM QUESTIONS AND ANSWERS
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MED GAS EXAM QUESTIONS AND ANSWERSA patient care room is any room 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
Answer B examined or treated
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
Answer C 3
A valve installed in each medical gas and vacuum piping system 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
Answer D proper operation and rooms or areas of control
Audible and visual alarm indicators shall meet which of the following requirements? - A.
CGA - C-7
B. Individual indicators shall NOT be less than 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.
Answer C testing to determine indicator function should be scheduled periodically and
records maintained between testing.
When testing outlets/inlets, you must use which of these components? - A. Gas-
specified adapters as described by the manufacturer
B. Interchangeable outlet/inlets adapters
C. Miscellaneous fittings as required
D. O-rings/seals
Answer A Gas-specified adapters as described by the manufacturer
,All pressure relief valves shall be made of (blank) brass or bronze. - A. Carbon steel
B. Cast iron
C. Copper
D. Stainless steel
Answer D stainless steel
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
Answer A bulk gases
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 responsibilities for which types of worker? - A. Installer
B. Maintenance personnel
C. Shutdown coordinator
D. Verifier
Answer B Maintenance personnel
Station outlets/inlets shall be identified as to the (blank) for the specific gas or vacuum
provided. - A. Chemical symbol
B. Name
C. Name or chemical symbol
D. Piping type
Answer C name or chemical symbol
When brazing, joints shall be continuously purged with oil free, dry nitrogen NF to
prevent the formation of (blank) on the inside surfaces of the joint. - A. Copper oxide
B. Crystallization
C. Polymeric materials
D. Volatilized liquids
Answer A copper oxide
All fittings for medical gas work shall be kept separate from other tools, and kept free of
grease or oil. If cleaned, only a degreaser such as (blank) is permitted. - A. A natural
citrus solvent cleaner- degreaser
B. Goop or gojo hand cleaner
, C. Trisodium phosphate or sodium carbonate.
D. Water
Answer C trisodium phosphate or sodium carbonate
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 hydrocarbons
B. High temperature
C. Liquid hydrocarbons
D. All of the above
Answer D all of the above
Compressed gas cylinders must meet which of the following criteria in order to be
acceptable for use in an acute health care facility? - A. Be appropriately color coded in
accordance with the USDA requirements.
B. Be appropriately identified by attached labels or stencils in accordance with CGA C-7
criteria.
C. Be constructed in accordance with specifications and regulations of OSHA or the US
department of transportation.
D. Utilize gas specific CGA connections.
Answer B be appropriately identified by attached labels or stencils in accordance with
CGA C-7 criteria.
Where medical gas systems operate at pressures other than the standard gauge
pressures, which of these is required to be listed on the station outlet identification? - A.
Gas registration number and the toll free number to call for information.
B. Name of the gas
C. Nonstandard operating pressure
D. Both B and C
Answer D Both B and C
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? - A. Acetone
B. Ammonia
C. Chlorine
D. Freon
Answer B ammonia
After completion of all installer preformed tests which of the following methods shall be
used to determine that no cross connection exists? - A. Individual pressurization
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