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NFPA 99 Medical Gas Exam Newest 2025 Actual Exam|
Complete Questions and Correct Answers (Verified
Answers) Already Graded A+|| New!!
Inspection and testing shall be performed on all new piped gas systems,
additions, renovations, temporary installations or repaired systems to
assure the facility that all applicable provisions of NFPA 99C have been
adhered to and system integrity has been achieved or maintained. What
is required of the individual doing the testing or inspecting? - ANSWER
- Have a documented procedure
Installer shall create a form indicating that the standing pressure test has
been performed and witnessed, a copy shall be provided to the ______. -
ANSWER - Verifier
Instrument air system that employ a standby header shall be permitted to
have a simplex cooler and dryer. Where a standby header is provide a
________ shall be installed to prevent back flow - ANSWER - Check
valve
Instrument air sources shall be filtered with _______ filters and be
located upstream of the final line filters. - ANSWER - Activated carbon
Instrument air sources shall produce air at not less than a gauge pressure
of ______. - ANSWER - 50 psi
pg. 1
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Instrument air systems shall activate the alarm systems when the dew
point at system pressure exceeds ______. - ANSWER - -22F
Threaded joints in medical gas and vacuum distribution piping shall be
limited to ___________. - ANSWER - Alarm devices, pressure and
vacuum indicators, demand check fittings
Intake air for instrument air compressors shall be permitted to be drawn
from what location? - ANSWER - Equipment location, outside, ducted
air
Medical air purity for compressor systems shall be analyzed prior to the
source valve being opened. Samples taken at the system sample port for
carbon monoxide shall not exceed - ANSWER - 10 ppm
Medical support gas outlets shall deliver 140 SLPM (5.0 SCFM) with a
pressure drop of not more than 35 kPa (5 psi) gauge and static pressure
of 1100 kPa to 1275 kPa (______) gauge. - ANSWER - 160-185 psi
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. - ANSWER - Support
Persons maintaining medical gas and vacuum systems shall have
appropriate qualification by demonstrated one of the following: -
ANSWER - A documented training program acceptable by the health
care facility, credentialing to ASSE 6030, credentialing to ASSE 6040
pg. 2
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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 _______ - ANSWER - B819
Source equipment shall not be connected to the piping system through
________? - ANSWER - Flexible connectors
Support gases system are subject to the same hazards as, present in any
piped medical gas system with the additional hazard of _________. -
ANSWER - Elevated pressures
The 24 hour standing pressure test shall be witnessed by the AHJ or its
________. - ANSWER - Designee
The installer of dental medical has piped distribution systems regardless
of source equipment size shall be certified in accordance with ________
- ANSWER - ASSE 6010
The ___________ shall review the inspection and testing records prior
to use of any of the systems to ensure that all findings and results of
inspection and testing have been successfully completed before use. -
ANSWER - Responsible facility authority
The air quality tests shall be conducted after the medical air source
system has been operating normally, but with the source valve closed
under a simulated load for an elapsed time at least _________. -
ANSWER - 12 hours
pg. 3
NFPA 99 Medical Gas Exam Newest 2025 Actual Exam|
Complete Questions and Correct Answers (Verified
Answers) Already Graded A+|| New!!
Inspection and testing shall be performed on all new piped gas systems,
additions, renovations, temporary installations or repaired systems to
assure the facility that all applicable provisions of NFPA 99C have been
adhered to and system integrity has been achieved or maintained. What
is required of the individual doing the testing or inspecting? - ANSWER
- Have a documented procedure
Installer shall create a form indicating that the standing pressure test has
been performed and witnessed, a copy shall be provided to the ______. -
ANSWER - Verifier
Instrument air system that employ a standby header shall be permitted to
have a simplex cooler and dryer. Where a standby header is provide a
________ shall be installed to prevent back flow - ANSWER - Check
valve
Instrument air sources shall be filtered with _______ filters and be
located upstream of the final line filters. - ANSWER - Activated carbon
Instrument air sources shall produce air at not less than a gauge pressure
of ______. - ANSWER - 50 psi
pg. 1
,2|Page
Instrument air systems shall activate the alarm systems when the dew
point at system pressure exceeds ______. - ANSWER - -22F
Threaded joints in medical gas and vacuum distribution piping shall be
limited to ___________. - ANSWER - Alarm devices, pressure and
vacuum indicators, demand check fittings
Intake air for instrument air compressors shall be permitted to be drawn
from what location? - ANSWER - Equipment location, outside, ducted
air
Medical air purity for compressor systems shall be analyzed prior to the
source valve being opened. Samples taken at the system sample port for
carbon monoxide shall not exceed - ANSWER - 10 ppm
Medical support gas outlets shall deliver 140 SLPM (5.0 SCFM) with a
pressure drop of not more than 35 kPa (5 psi) gauge and static pressure
of 1100 kPa to 1275 kPa (______) gauge. - ANSWER - 160-185 psi
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. - ANSWER - Support
Persons maintaining medical gas and vacuum systems shall have
appropriate qualification by demonstrated one of the following: -
ANSWER - A documented training program acceptable by the health
care facility, credentialing to ASSE 6030, credentialing to ASSE 6040
pg. 2
, 3|Page
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 _______ - ANSWER - B819
Source equipment shall not be connected to the piping system through
________? - ANSWER - Flexible connectors
Support gases system are subject to the same hazards as, present in any
piped medical gas system with the additional hazard of _________. -
ANSWER - Elevated pressures
The 24 hour standing pressure test shall be witnessed by the AHJ or its
________. - ANSWER - Designee
The installer of dental medical has piped distribution systems regardless
of source equipment size shall be certified in accordance with ________
- ANSWER - ASSE 6010
The ___________ shall review the inspection and testing records prior
to use of any of the systems to ensure that all findings and results of
inspection and testing have been successfully completed before use. -
ANSWER - Responsible facility authority
The air quality tests shall be conducted after the medical air source
system has been operating normally, but with the source valve closed
under a simulated load for an elapsed time at least _________. -
ANSWER - 12 hours
pg. 3
