2024 NFPA99 Medical Gas Exams
2025/2026
Exam Prep Material
with
Verified Questions and Answers
A+ Grades Guarantee
, One compressor
A manual reset local alarm that
indicates when the capacity of
the instrument air central supply
system not in use is less than the
equivalent capacity of
Ultrasonic
After a final tie - In on an active
vacuum system , each vacuum
joints shall be tested with a leak
detector or other means that will
allow detectant on an active
vacuum system .
Ammonia
After the final tie-in each joint
shall be leak tested by the source
gas. New work and the existing
system at the normal operating
pressure shall be leak checked
with a leak detectant that is safe
for use with oxygen and does
NOT contain _______________
Initial pressure test
After the piping system, the blow
down test shall be done. Then
the installer must perform which
of the following test?
Updated
Alarm panels and shutoff valves
labeling shall be ____________
when modifications are made,
changing the areas serviced
5 psi
All gas outlets with gauge
pressure of 345 kPa (50 psi),
including, but not limited to,
oxygen, nitrous oxide, medical
air, and carbon dioxide, shall
deliver 100 SLPM (3.5 SCFM)
with a pressure drop of not more
than 35 kPa (______) and static
pressure of 345 kPa to 380 kPa
(50psi to 55 psi)
, 20%
Area alarms shall be tested to
verify the warning signals for all
vital life support and critical care
areas if the pressure in the piping
system increases or decreases
by _______
12 hour
At the sample port a demand of
approximated 25% load shall be
created to cause the
compressors to cycle on and off
continuously and the dryers to
operate for the ______ period.
Facility authority
Before the piping system is put
into use, who is responsible for
the ascertaining that the gas
delivered to the outlet/inlet has
the proper labels and connecting
fittings.
Physical separation of pipeline, system component removal,
replacement or addition of system components
Breached portions of the systems
subject to inspection and testing
shall be confined to only the
specific altered zone or area that
is downstream for pressure
gases at the point of intrusion.
Where a system shall be
declared breached?
Simplex
Category 2 & 3 medical has and
vacuum systems are allowed to
be ________ on the amount of
compressors and vacuum pumps
Nitrous oxide
Category 2 oxygen piping shall
be at least 1 size larger than
piping for _______?
Installer, representative of the system manufacturer, medical gas
Category 3 gas-power device system verifier 6030
supply systems, vacuum systems
and scavenging systems. The
initial tests shall be performed
before the final tests shall be
conducted by ______.
Minimal or no sedation
Category 3 piped gas and
vacuum systems only ______
shall be permitted.
2025/2026
Exam Prep Material
with
Verified Questions and Answers
A+ Grades Guarantee
, One compressor
A manual reset local alarm that
indicates when the capacity of
the instrument air central supply
system not in use is less than the
equivalent capacity of
Ultrasonic
After a final tie - In on an active
vacuum system , each vacuum
joints shall be tested with a leak
detector or other means that will
allow detectant on an active
vacuum system .
Ammonia
After the final tie-in each joint
shall be leak tested by the source
gas. New work and the existing
system at the normal operating
pressure shall be leak checked
with a leak detectant that is safe
for use with oxygen and does
NOT contain _______________
Initial pressure test
After the piping system, the blow
down test shall be done. Then
the installer must perform which
of the following test?
Updated
Alarm panels and shutoff valves
labeling shall be ____________
when modifications are made,
changing the areas serviced
5 psi
All gas outlets with gauge
pressure of 345 kPa (50 psi),
including, but not limited to,
oxygen, nitrous oxide, medical
air, and carbon dioxide, shall
deliver 100 SLPM (3.5 SCFM)
with a pressure drop of not more
than 35 kPa (______) and static
pressure of 345 kPa to 380 kPa
(50psi to 55 psi)
, 20%
Area alarms shall be tested to
verify the warning signals for all
vital life support and critical care
areas if the pressure in the piping
system increases or decreases
by _______
12 hour
At the sample port a demand of
approximated 25% load shall be
created to cause the
compressors to cycle on and off
continuously and the dryers to
operate for the ______ period.
Facility authority
Before the piping system is put
into use, who is responsible for
the ascertaining that the gas
delivered to the outlet/inlet has
the proper labels and connecting
fittings.
Physical separation of pipeline, system component removal,
replacement or addition of system components
Breached portions of the systems
subject to inspection and testing
shall be confined to only the
specific altered zone or area that
is downstream for pressure
gases at the point of intrusion.
Where a system shall be
declared breached?
Simplex
Category 2 & 3 medical has and
vacuum systems are allowed to
be ________ on the amount of
compressors and vacuum pumps
Nitrous oxide
Category 2 oxygen piping shall
be at least 1 size larger than
piping for _______?
Installer, representative of the system manufacturer, medical gas
Category 3 gas-power device system verifier 6030
supply systems, vacuum systems
and scavenging systems. The
initial tests shall be performed
before the final tests shall be
conducted by ______.
Minimal or no sedation
Category 3 piped gas and
vacuum systems only ______
shall be permitted.
