MEDICAL GAS 6010 TEST PAPER ANSWERS AND
QUESTIONS SET A+
✔✔A _ shutoff valve shall be provided in the main supply line when the source valve is
not accessible from within the building served? A) main B) supply C) service D) zone -
✔✔A) main
✔✔_ valves shall be installed to allow modification of lateral branch piping from a main
or riser without shutting down the entire main, riser, or facility? A) main B) riser C)
service D) zone - ✔✔C) service
✔✔Regardless of how many zone valve boxes are installed on a lateral branch off a
riser, only one _ valve shall be required for each branch? A) main B) riser C) service D)
zone - ✔✔C) service
✔✔_ valves shall not be located in a room with station outlets or inlets that it controls?
A) main B) service C) source D) zone - ✔✔D) zone
✔✔_ valves shall be readily operable from a standing position in the corridor on the
same floor they serve? A) in-line B) relief C) service D) zone - ✔✔D) zone
✔✔Immediately outside of each vital life-support, critical care, and anesthetizing
location, there shall be a _ valve for each medical gas, vacuum, and WAGD system? A)
fire extinguisher B) local alarm C) relief valve D) zone - ✔✔D) zone
✔✔Operational _ shutoff valves shall be permitted to be installed to isolate or shut off
piping for servicing of individual rooms or areas? A) in-line B) main line C) riser D) zone
- ✔✔A) in-line
✔✔In-line check valves are not required to have _ ? A) brazed extensions B) in-line
serviceability C) threaded end connections D) threaded purge ports - ✔✔C) threaded
end connections
, ✔✔Each station outlet/inlet for medical gasses and vacuums shall be _ ? A) gas-
specific B) interchangeable C) quick-coupler D) threaded - ✔✔A) gas specific
✔✔The factory installed tuning on station outlets and inlets shall extend no further than
_ in. from the body of the terminal? A) 6 B) 8 C) 10 D) 12 - ✔✔B) 8
✔✔Factory installed inlet tubing on station outlets shall not be less than _ NPS? A) 1/4
B) 3/8 C) 1/2 D) 5/8 - ✔✔A) 1/4
✔✔Factory installed outlet tubing on station inlets shall not be less than _ NPS? A) 1/8
B) 3/16 C) 1/4 D) 3/8 - ✔✔D 3/8
✔✔Station outlets that operate at a pressure in excess of _ PSI shall be either D.I.S.S.
or be designed to relieve pressure prior to removal of adapter? A) 50 B) 60 C) 70 D) 80
- ✔✔D) 80
✔✔The manufacturer is allowed a decay of less than _ % in 24 hours during the
standing pressure test? A) 3 B) 2 C) 1.5 D) 1.0 - ✔✔D) 1.0
✔✔The _ shall provide documentation certifying the performance and successful
completion of all pressure testing for a manufactured assembly? A) engineer B) installer
C) manufacturer D) owner - ✔✔C) manufacturer
✔✔Manufactured assemblies employing flexible hose shall have a minimum burst
pressure of _ PSI? A) 1000 B) 1100 C) 1200 D) 1500 - ✔✔A) 1000
✔✔Station outlets and inlets of manufactured assemblies that employ hose or flexible
connections to the piping system are not fully and immediately accessible shall use _
connectors? A) demand check B) D.I.S.S. C) push fit D) quick-coupler - ✔✔B) D.I.S.S.
✔✔The scale range of positive pressure analog indicators shall have the normal
operating pressure fall within the _ of the gauge scale? A) bottom third B) lower third C)
middle third D) top third - ✔✔C) middle third
✔✔The accuracy of digital indicators shall be(+/-) _ % of the operating pressure at
which they are used? A) 20 B) 10 C) 5 D) 1 - ✔✔C) 5
✔✔The scale range of vacuum indicators shall be 0 to _ in. HgV? A) 12 B) 20 C) 30 D)
32 - ✔✔C) 30
✔✔To facilitate service, testing, or replacement, all pressure switches and mainline
gauges downstream of the source valve shall be provided with a _ ? A) check valve B)
QUESTIONS SET A+
✔✔A _ shutoff valve shall be provided in the main supply line when the source valve is
not accessible from within the building served? A) main B) supply C) service D) zone -
✔✔A) main
✔✔_ valves shall be installed to allow modification of lateral branch piping from a main
or riser without shutting down the entire main, riser, or facility? A) main B) riser C)
service D) zone - ✔✔C) service
✔✔Regardless of how many zone valve boxes are installed on a lateral branch off a
riser, only one _ valve shall be required for each branch? A) main B) riser C) service D)
zone - ✔✔C) service
✔✔_ valves shall not be located in a room with station outlets or inlets that it controls?
A) main B) service C) source D) zone - ✔✔D) zone
✔✔_ valves shall be readily operable from a standing position in the corridor on the
same floor they serve? A) in-line B) relief C) service D) zone - ✔✔D) zone
✔✔Immediately outside of each vital life-support, critical care, and anesthetizing
location, there shall be a _ valve for each medical gas, vacuum, and WAGD system? A)
fire extinguisher B) local alarm C) relief valve D) zone - ✔✔D) zone
✔✔Operational _ shutoff valves shall be permitted to be installed to isolate or shut off
piping for servicing of individual rooms or areas? A) in-line B) main line C) riser D) zone
- ✔✔A) in-line
✔✔In-line check valves are not required to have _ ? A) brazed extensions B) in-line
serviceability C) threaded end connections D) threaded purge ports - ✔✔C) threaded
end connections
, ✔✔Each station outlet/inlet for medical gasses and vacuums shall be _ ? A) gas-
specific B) interchangeable C) quick-coupler D) threaded - ✔✔A) gas specific
✔✔The factory installed tuning on station outlets and inlets shall extend no further than
_ in. from the body of the terminal? A) 6 B) 8 C) 10 D) 12 - ✔✔B) 8
✔✔Factory installed inlet tubing on station outlets shall not be less than _ NPS? A) 1/4
B) 3/8 C) 1/2 D) 5/8 - ✔✔A) 1/4
✔✔Factory installed outlet tubing on station inlets shall not be less than _ NPS? A) 1/8
B) 3/16 C) 1/4 D) 3/8 - ✔✔D 3/8
✔✔Station outlets that operate at a pressure in excess of _ PSI shall be either D.I.S.S.
or be designed to relieve pressure prior to removal of adapter? A) 50 B) 60 C) 70 D) 80
- ✔✔D) 80
✔✔The manufacturer is allowed a decay of less than _ % in 24 hours during the
standing pressure test? A) 3 B) 2 C) 1.5 D) 1.0 - ✔✔D) 1.0
✔✔The _ shall provide documentation certifying the performance and successful
completion of all pressure testing for a manufactured assembly? A) engineer B) installer
C) manufacturer D) owner - ✔✔C) manufacturer
✔✔Manufactured assemblies employing flexible hose shall have a minimum burst
pressure of _ PSI? A) 1000 B) 1100 C) 1200 D) 1500 - ✔✔A) 1000
✔✔Station outlets and inlets of manufactured assemblies that employ hose or flexible
connections to the piping system are not fully and immediately accessible shall use _
connectors? A) demand check B) D.I.S.S. C) push fit D) quick-coupler - ✔✔B) D.I.S.S.
✔✔The scale range of positive pressure analog indicators shall have the normal
operating pressure fall within the _ of the gauge scale? A) bottom third B) lower third C)
middle third D) top third - ✔✔C) middle third
✔✔The accuracy of digital indicators shall be(+/-) _ % of the operating pressure at
which they are used? A) 20 B) 10 C) 5 D) 1 - ✔✔C) 5
✔✔The scale range of vacuum indicators shall be 0 to _ in. HgV? A) 12 B) 20 C) 30 D)
32 - ✔✔C) 30
✔✔To facilitate service, testing, or replacement, all pressure switches and mainline
gauges downstream of the source valve shall be provided with a _ ? A) check valve B)
