NFPA 99 2026 Practice Test
Questions . Worksheet 6
Each station outlet/inlet for medical gas or vacuum shall be ______.
a) interchangeable
b) gas-specific
c) threaded
d) quick-coupler - answergas-specific
5.1.5.1
The factory installed tubing on station outlets/inlets shall extend no further than
________ from the body of the terminal.
a) 6"
b) 8"
c) 10"
d) 12" - answer8"
5.1.5.11
Factory installed tubing on station outlets shall be not less than ______ NPS.
a) 1/8 inch
b) 3/16 inch
c) 1/4 inch
d) 5/16 inch - answer1/4 inch
5.1.5.11
Station outlets that operate at a pressure in excess of ______ shall be either D.I.S.S. or
be designed to relieve pressure prior to removal of adaptor.
a) 50 psi
b) 60 psi
c) 70 psi
d) 80 psi - answer80 psi
5.1.15.15 (3)
, Station outlets/inlets of manufactured assemblies that employ hose or flexible
connections to the piping system that are not fully and immediately accessible, shall use
______ connectors.
a) quick coupler
b) D.I.S.S.
c) demand check
d) all of the above - answerD.I.S.S.
5.1.6.8 (1)
The scale range of positive pressure analog indicators shall have the normal reading fall
within the ______ of the total range.
a) lower third
b) middle third
c) top third
d) none of the above - answermiddle third
5.1.8.1.3
The scale range of vacuum indicators shall be _____ gauge HgV.
a) 0-12"
b) 0-29.9"
c) 0-30"
d) 0-30.9" - answer0-30"
5.1.8.1.5
Indicators adjacent to master alarm actuators and area alarms shall be labeled to
identify the ______ or ______ symbol for the particular piping system that they monitor.
a) name of, chemical
b) name of, colors
c) chemical, pressure
d) all of the above - answername of or chemical symbol
5.1.8.1.6
To facilitate service, testing or replacement, all pressure sensing device and mainline
pressure gauge downstream of the source valve shall be provided with a ______.
a) check valve
b) shutoff valve
c) demand check fitting
Questions . Worksheet 6
Each station outlet/inlet for medical gas or vacuum shall be ______.
a) interchangeable
b) gas-specific
c) threaded
d) quick-coupler - answergas-specific
5.1.5.1
The factory installed tubing on station outlets/inlets shall extend no further than
________ from the body of the terminal.
a) 6"
b) 8"
c) 10"
d) 12" - answer8"
5.1.5.11
Factory installed tubing on station outlets shall be not less than ______ NPS.
a) 1/8 inch
b) 3/16 inch
c) 1/4 inch
d) 5/16 inch - answer1/4 inch
5.1.5.11
Station outlets that operate at a pressure in excess of ______ shall be either D.I.S.S. or
be designed to relieve pressure prior to removal of adaptor.
a) 50 psi
b) 60 psi
c) 70 psi
d) 80 psi - answer80 psi
5.1.15.15 (3)
, Station outlets/inlets of manufactured assemblies that employ hose or flexible
connections to the piping system that are not fully and immediately accessible, shall use
______ connectors.
a) quick coupler
b) D.I.S.S.
c) demand check
d) all of the above - answerD.I.S.S.
5.1.6.8 (1)
The scale range of positive pressure analog indicators shall have the normal reading fall
within the ______ of the total range.
a) lower third
b) middle third
c) top third
d) none of the above - answermiddle third
5.1.8.1.3
The scale range of vacuum indicators shall be _____ gauge HgV.
a) 0-12"
b) 0-29.9"
c) 0-30"
d) 0-30.9" - answer0-30"
5.1.8.1.5
Indicators adjacent to master alarm actuators and area alarms shall be labeled to
identify the ______ or ______ symbol for the particular piping system that they monitor.
a) name of, chemical
b) name of, colors
c) chemical, pressure
d) all of the above - answername of or chemical symbol
5.1.8.1.6
To facilitate service, testing or replacement, all pressure sensing device and mainline
pressure gauge downstream of the source valve shall be provided with a ______.
a) check valve
b) shutoff valve
c) demand check fitting
