NFPA 99 Worksheet 6

Each station outlet/inlet for medical gas or vacuum shall be ____________.

• interchangeable

• gas-specific

• threaded

• quick-coupler

The factory installed tubing on station outlets/inlets shall extend no further than ______ from the body of the terminal.

• 6”

• 8”

• 10”

• 12”

Factory installed tubing on station outlets shall be not less than _________ NPS.

• 1/8 inch

• 3/16 inch

• 1/4 inch

• 5/16 inch

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.

• 50 psi

• 60 psi

• 70 psi

• 80 psi

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.

• quick coupler

• D.I.S.S.

• demand check

• all of the above

The scale range of positive pressure analog indicators shall have the normal reading fall within the ___________ of the total range.

• lower third

• middle third

• top third

• none of the above

The scale range of vacuum indicators shall be ___________ gauge HgV.

• 0- 12”

• 0- 29.9”

• 0- 30”

• 0- 30.9”

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.

• name of, chemical

• name of, colors

• chemical, pressure

• all of the above

To facilitate service, testing or replacement, all pressure sensing device and mainline pressure gauges downstream of the source valve shall be provided with a ________________.

• check valve

• shutoff valve

• demand check fitting

• D.I.S.S. fitting

Since dew point and carbon monoxide monitors are located upstream of the source valve, demand check fittings are not required.

• True

• False