NFPA99 MEDICAL GAS EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2025 ALREADY GRADED A+
Nitrogen and instrument air supply systems are not to be used for patient care,
but are used for powering pneumatic devices and should be considered _______
gases. - ANSWERS-Support
Persons maintaining medical gas and vacuum systems shall have appropriate
qualification by demonstrated one of the following: - ANSWERS-A documented
training program acceptable by the health care facility, credentialing to ASSE
6030, credentialing to ASSE 6040
Piping for dental positive pressure medical gases shall be cleaned for oxygen
service, delivered plugged or capped and shall be hard-drawn, seamless copper
ASTM _______ - ANSWERS-B819
Source equipment shall not be connected to the piping system through
________? - ANSWERS-Flexible connectors
,Support gases system are subject to the same hazards as, present in any piped
medical gas system with the additional hazard of _________. - ANSWERS-
Elevated pressures
Alarm panels and shutoff valves labeling shall be ____________ when
modifications are made, changing the areas serviced - ANSWERS-Updated
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) - ANSWERS-5 psi
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 _______ - ANSWERS-20%
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. - ANSWERS-12 hour
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. - ANSWERS-Facility authority
, 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? - ANSWERS-Physical separation of pipeline, system component
removal, replacement or addition of system components
Category 2 & 3 medical has and vacuum systems are allowed to be ________ on
the amount of compressors and vacuum pumps - ANSWERS-Simplex
Category 2 oxygen piping shall be at least 1 size larger than piping for _______? -
ANSWERS-Nitrous oxide
Category 3 gas-power device supply systems, vacuum systems and scavenging
systems. The initial tests shall be performed before the final tests shall be
conducted by ______. - ANSWERS-Installer, representative of the system
manufacturer, medical gas system verifier 6030
Category 3 piped gas and vacuum systems only ______ shall be permitted. -
ANSWERS-Minimal or no sedation
Category 3 vacuum source equipment shall be obtained from, and be installed
under the supervision of the __________? - ANSWERS-Manufacturer, supplier,
who is familiar with its installation, operation and use
Category 2 & 3 medical gas systems are required to have how many alarm
panels? - ANSWERS-1
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST 2025 ALREADY GRADED A+
Nitrogen and instrument air supply systems are not to be used for patient care,
but are used for powering pneumatic devices and should be considered _______
gases. - ANSWERS-Support
Persons maintaining medical gas and vacuum systems shall have appropriate
qualification by demonstrated one of the following: - ANSWERS-A documented
training program acceptable by the health care facility, credentialing to ASSE
6030, credentialing to ASSE 6040
Piping for dental positive pressure medical gases shall be cleaned for oxygen
service, delivered plugged or capped and shall be hard-drawn, seamless copper
ASTM _______ - ANSWERS-B819
Source equipment shall not be connected to the piping system through
________? - ANSWERS-Flexible connectors
,Support gases system are subject to the same hazards as, present in any piped
medical gas system with the additional hazard of _________. - ANSWERS-
Elevated pressures
Alarm panels and shutoff valves labeling shall be ____________ when
modifications are made, changing the areas serviced - ANSWERS-Updated
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) - ANSWERS-5 psi
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 _______ - ANSWERS-20%
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. - ANSWERS-12 hour
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. - ANSWERS-Facility authority
, 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? - ANSWERS-Physical separation of pipeline, system component
removal, replacement or addition of system components
Category 2 & 3 medical has and vacuum systems are allowed to be ________ on
the amount of compressors and vacuum pumps - ANSWERS-Simplex
Category 2 oxygen piping shall be at least 1 size larger than piping for _______? -
ANSWERS-Nitrous oxide
Category 3 gas-power device supply systems, vacuum systems and scavenging
systems. The initial tests shall be performed before the final tests shall be
conducted by ______. - ANSWERS-Installer, representative of the system
manufacturer, medical gas system verifier 6030
Category 3 piped gas and vacuum systems only ______ shall be permitted. -
ANSWERS-Minimal or no sedation
Category 3 vacuum source equipment shall be obtained from, and be installed
under the supervision of the __________? - ANSWERS-Manufacturer, supplier,
who is familiar with its installation, operation and use
Category 2 & 3 medical gas systems are required to have how many alarm
panels? - ANSWERS-1
