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Unit 4 Med gas Valves Flashcards | StudBud
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Unit 4 Med gas Valves
Unit 4 Med gas Valves
19 terms
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1
each station outlet/inlet for medical gasses and vacuum shall be____
threaded
quick-coupler
interchangeable
gas-specific
2
optional __shutoff vlvs shall be permitted to isolate piping for servicing of individual rooms
zone
riser
in-line
main line
3
scale range of vacuum indicators shall be 0 to __in. HgV
30
12
32
20
4
the scale range of analog indicators shall have the normal operating pressure fall in the ___
top third of gauge scale
middle third of gauge scale
bottom third of gauge scale
lower third of gauge scale
5
A__ shutoff vlv in the main supply line when the source valve isn't accessible in the building
supply
main
service
zone
6
Gas specific demand check fittings shall not be required on _____ indicators
source valve pressure
zone valve pressure
carbon monoxide monitor
dew point monitor
7
the manufacturer is allowed a decay of less than ___%in 24hrs during a standing pressure test
1.0
1.5
3
2
8
Regardless of how many zone vlv boxes on a lateral branch, only one __vlv is required on branch
riser
main
zone
service
9
the factory installed tubing on station outlets and inlets shall extend no further than ___ in.
6
8
12
10
10
___ valves shall be readily operable from a standing position in the corridor on the same floor
relief
service
in-line
zone
11
in-line check valves are not required to have___
threaded purge ports
threaded end connections
in-line serviceability
brazed extensions
12
manufactured assemblies employing flexible hoses shall have a min. burst pressure of ___p.s.i.
1200
1000
1100
1500
13
__valve shall not be located in a room with station outlets/inlets that it controls
zone
service
main
source
14
factory installed outlet tubing on station outlets shall not be less than __NPS
3/8
1/4
3/16
1/8
15
with approval of the authority having jurisdiction, a zone valve shall be secured in__areas.
critical care
anesthetizing
psychiatric or pediatric
materinity
16
A___shutoff valve shall be placed at the immediate connection of each source system
source
main
supply
zone
17
___ valves shall be installed to allow modification of a lateral branch piping from a main
main
service
zone
riser
18
new or replacement valves are
not
required to__
use a quarter turn shutoff
have copper tube extensions for brazing
permit in line serviceability
be ball type
19
factory installed inlet tubing on station outlets shall not be less than ____NPS
1/4
5/8
1/2
3/8