MED GAS NFPA WORKSHEET #3
Inlet filtration of the medical-surgical vacuum central supply systems shall contain all
except which of the following essentials? - answer filtration shall be sized a minimum of
50% of peak demand
vacuum piping for _____ shall be connected separately from the medical surgical
system directly to the receiver tank through its own isolation valve and fluid trap located
at the receiver - answer a teaching laboratory
which of these is an acceptable location for the exhaust of medical vacuum? -
answeraway from public places
where WAGD is produced by the medical surgical vacuum source, the total
concentration of oxidizers shall be maintained below _____ percent - answer23.6 %
which source shall NOT be used to power the venturi for the WAGD system -
answermedical air
oxygen central supply systems with an oxygen concentrator, having three supply
sources, shall NOT be allowed if: - answera documented risk analysis has NOT been
completed
except for zone and future valves, all valves shall be located in secured areas such as
locked pipe chases or be: - answerlocked or latched in their operating posititon
with the approval of the authority having jurisdiction, in which areas shall the shutoff
valves be permitted to be secured to prevent inappropriate access? - answerpediatric
what is the minimum flow coefficient (Cv) different allowed between inlet side and outlet
side of a full open 1-inch positive pressure valve? - answer60
where multiple freestanding buildings are being served by one central supply source,
what minimum number of main line shutoff valves is required? - answerone for each
building
riser valves are located where? - answerin the riser adjacent to the main line
which of the following is a requirement for the configuration of a zone valve box? -
answerplaced such that a wall intervenes between the inlets/outlets they control
zone valves are NOT permitted to be installed in which of these locations? - answerin
the same room as the outlets/inlets that it serves
Inlet filtration of the medical-surgical vacuum central supply systems shall contain all
except which of the following essentials? - answer filtration shall be sized a minimum of
50% of peak demand
vacuum piping for _____ shall be connected separately from the medical surgical
system directly to the receiver tank through its own isolation valve and fluid trap located
at the receiver - answer a teaching laboratory
which of these is an acceptable location for the exhaust of medical vacuum? -
answeraway from public places
where WAGD is produced by the medical surgical vacuum source, the total
concentration of oxidizers shall be maintained below _____ percent - answer23.6 %
which source shall NOT be used to power the venturi for the WAGD system -
answermedical air
oxygen central supply systems with an oxygen concentrator, having three supply
sources, shall NOT be allowed if: - answera documented risk analysis has NOT been
completed
except for zone and future valves, all valves shall be located in secured areas such as
locked pipe chases or be: - answerlocked or latched in their operating posititon
with the approval of the authority having jurisdiction, in which areas shall the shutoff
valves be permitted to be secured to prevent inappropriate access? - answerpediatric
what is the minimum flow coefficient (Cv) different allowed between inlet side and outlet
side of a full open 1-inch positive pressure valve? - answer60
where multiple freestanding buildings are being served by one central supply source,
what minimum number of main line shutoff valves is required? - answerone for each
building
riser valves are located where? - answerin the riser adjacent to the main line
which of the following is a requirement for the configuration of a zone valve box? -
answerplaced such that a wall intervenes between the inlets/outlets they control
zone valves are NOT permitted to be installed in which of these locations? - answerin
the same room as the outlets/inlets that it serves
