NFPA 99 Medical Gas 6020 – EXAM STUDY GUIDE 2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS
Located in a secure area locked and latched in their operating position, located above ceilings,
but remaining accessible and not obstructed. 5.1.4.1.2 security page 44 - ANSWER All valves,
except valves in zone box assemblies, shall be secured by any of the following means
60 CV5.1.4.1.6 Page 44 - ANSWER For positive pressure gases a 1 inch valve size will have
what minimum CV factor?
Riser valves 5.1.4.4 page 45 - ANSWER Each riser supplied from the mainline shall be
provided with a shut off valve in the riser adjacent to the mainline.
Service valves 5.1.4.5 page 45 - ANSWER Service valves shall be installed to allow servicing
or modification of lateral branch piping from a mean or riser without shutting down the entire I
mean, riser or facility.
Shall be a brass or bronze construction, they shall have brass extensions, in-line serviceability,
shall not have threaded connections, and have a threaded purge point of 1/8 inch5.1.4.9 pg 25 -
ANSWER In-line check valve shall have the following
Gas specific, whether the outlet/inlet is threaded or is a non-interchangeable quick coupler.
5.1.5.1 page 45 - ANSWER On each station outlet/inlet for medical gases or vacuums shall
be_______?
8 inches, and PS quarter inch 3/8" inch OD .3 inches 5.1.5.11 page 45 - ANSWER For station
outlets and inlets,factory install copper INLETS tubes on station outlets extending no further
than _________from the body of the terminal shall not be less than _______ size, with
_________ minimum inside diameter.
, 8 inches, 3/8" inch NPS 1/2"OD, .4 inches 5.1.5.12 page 45 - ANSWER Factory installed
copper outlet tubes on station inlet extending no further than _________ from the body of the
terminal shall not be less than _______ size with ______ minimum inside diameter.
#1 They shall not be interchangeable with other systems including medical surgical vacuum.
#2 components necessary for maintenance of a WAGD specificity shall be legibly marked to
identify them as components of a WAGD inlet. #3 they shall be of a type appropriate for the
flow and vacuum the required by the facilities gas and aesthetic machine.
#4 They shall be located to avoid physical damage to the end. 5.1.5.16 page 46 - ANSWER
WAGD networks shower provide a WAGD in like in all locations were nitrous oxide or
halogenated anesthetic gas is intended to be administered. Station in that's for a WAGD service
shall have the following additional characteristics.
+ or -5% 5.1.8.1.4 page 47 - ANSWER On pressure and vacuum indicators, the accuracy of a
digital indicator shall be _______ of operating pressure at which they are used.
35°F, -22°F 5.1.9.2.4 —10. —— 12 page 48 - ANSWER On a MASTER ALARM panel for
medical gas and vacuum systems shout each include the following signals. Medical air dew high
alarm for each compressor site to indicate when the line pressure dewpoint is greater than
______. An instrument air dewpoint hi alarm for each compressor site to indicate when line
pressure dewpoint is greater than ______.
Area alarm 20% 5.1.9.4.2 page 49 - ANSWER AREA ALARM panels for medical gas systems
shall indicate if pressure in the lines in the area being monitored increases or decreases by
______ percent from the normal line pressure.
Air compressor systems, medical surgical vacuum pump systems, WAGD systems, instrument
air systems, and proportioning systems. 5.1.9.5 page 49 - ANSWER Local alarm shall be
installed to monitor the functions of what systems?
Medical air dewpoint 35°
VERIFIED CORRECT ANSWERS || 100% GUARANTEED PASS
Located in a secure area locked and latched in their operating position, located above ceilings,
but remaining accessible and not obstructed. 5.1.4.1.2 security page 44 - ANSWER All valves,
except valves in zone box assemblies, shall be secured by any of the following means
60 CV5.1.4.1.6 Page 44 - ANSWER For positive pressure gases a 1 inch valve size will have
what minimum CV factor?
Riser valves 5.1.4.4 page 45 - ANSWER Each riser supplied from the mainline shall be
provided with a shut off valve in the riser adjacent to the mainline.
Service valves 5.1.4.5 page 45 - ANSWER Service valves shall be installed to allow servicing
or modification of lateral branch piping from a mean or riser without shutting down the entire I
mean, riser or facility.
Shall be a brass or bronze construction, they shall have brass extensions, in-line serviceability,
shall not have threaded connections, and have a threaded purge point of 1/8 inch5.1.4.9 pg 25 -
ANSWER In-line check valve shall have the following
Gas specific, whether the outlet/inlet is threaded or is a non-interchangeable quick coupler.
5.1.5.1 page 45 - ANSWER On each station outlet/inlet for medical gases or vacuums shall
be_______?
8 inches, and PS quarter inch 3/8" inch OD .3 inches 5.1.5.11 page 45 - ANSWER For station
outlets and inlets,factory install copper INLETS tubes on station outlets extending no further
than _________from the body of the terminal shall not be less than _______ size, with
_________ minimum inside diameter.
, 8 inches, 3/8" inch NPS 1/2"OD, .4 inches 5.1.5.12 page 45 - ANSWER Factory installed
copper outlet tubes on station inlet extending no further than _________ from the body of the
terminal shall not be less than _______ size with ______ minimum inside diameter.
#1 They shall not be interchangeable with other systems including medical surgical vacuum.
#2 components necessary for maintenance of a WAGD specificity shall be legibly marked to
identify them as components of a WAGD inlet. #3 they shall be of a type appropriate for the
flow and vacuum the required by the facilities gas and aesthetic machine.
#4 They shall be located to avoid physical damage to the end. 5.1.5.16 page 46 - ANSWER
WAGD networks shower provide a WAGD in like in all locations were nitrous oxide or
halogenated anesthetic gas is intended to be administered. Station in that's for a WAGD service
shall have the following additional characteristics.
+ or -5% 5.1.8.1.4 page 47 - ANSWER On pressure and vacuum indicators, the accuracy of a
digital indicator shall be _______ of operating pressure at which they are used.
35°F, -22°F 5.1.9.2.4 —10. —— 12 page 48 - ANSWER On a MASTER ALARM panel for
medical gas and vacuum systems shout each include the following signals. Medical air dew high
alarm for each compressor site to indicate when the line pressure dewpoint is greater than
______. An instrument air dewpoint hi alarm for each compressor site to indicate when line
pressure dewpoint is greater than ______.
Area alarm 20% 5.1.9.4.2 page 49 - ANSWER AREA ALARM panels for medical gas systems
shall indicate if pressure in the lines in the area being monitored increases or decreases by
______ percent from the normal line pressure.
Air compressor systems, medical surgical vacuum pump systems, WAGD systems, instrument
air systems, and proportioning systems. 5.1.9.5 page 49 - ANSWER Local alarm shall be
installed to monitor the functions of what systems?
Medical air dewpoint 35°
