NFPA 99 6040 PRACTICE SET QUESTIONS AND VERIFIED
ANSWERS GUARANTEED PASS LATEST 2025/2026
An insulated pressure vessel storing gases in liquid form.
A Cylinder
B Tank
C Receiver
D Container - ----Answers---Container
Oxygen levels above ______ are oxygen enriched atmospheres
which increases the risk for fire and explosion. Oxygen levels
below _____ are oxygen deficient atmospheres that increases
the risk of asphyxiation.
A 100%, 0%
B 50%, 0%
C 23.5%, 19.5%
D 100 ppm, 20 ppm - ----Answers---23.5%, 19.5%
A unit of pressure with the atmospheric pressure used as the
base or reference pressure.
A Gauge Pressure
B Absolute Pressure
C Dynamic Pressure
D Static Pressure - ----Answers---Gauge Pressure
,The ___________ pressure of a system measured while it is in
use or flowing.
A static
B gauge
C dynamic
D absolute - ----Answers---dynamic
CGA E.10 recommends a medical gas riser diagram with the
following included: _________.
A Alarms, Sensors, & Settings
B Valve locations and indicate areas controlled
C Source Locations
D All of the above - ----Answers---All of the above
Medical Gas area and master alarm line pressure set points
are __________ above and below normal line pressure.
A 5%
B 20%
C 50%
D 20 psig - ----Answers---20%
Use ____________ to test of zone valve external leakage
A listen very closely
B an oxygen compatible solution or equally effective means
safe for use with oxygen
, C dish soap
D flame - ----Answers---an oxygen compatible solution or
equally effective means safe for use with oxygen
Any lubricant used on o-rings to repair medical gas outlet
leaks must be ________________.
A oxygen compatible
B petroleum based
C food grade
D lubricants may not be used - ----Answers---oxygen
compatible
An existing system that is not in strict compliance with this
code and does not pose a distinct hazard to life per the opinion
of the AHJ may not continue to be used.
A TRUE
B FALSE - ----Answers---FALSE
Categories are determined by following and documenting a
defined risk assessment procedure. If used, which of the
following systems does not require this assessment to be
performed per NFPA 99, 2018?
A Category 1 System
B Category 2 System
C Category 3 System
D Category 4 System - ----Answers---Category 1 System
ANSWERS GUARANTEED PASS LATEST 2025/2026
An insulated pressure vessel storing gases in liquid form.
A Cylinder
B Tank
C Receiver
D Container - ----Answers---Container
Oxygen levels above ______ are oxygen enriched atmospheres
which increases the risk for fire and explosion. Oxygen levels
below _____ are oxygen deficient atmospheres that increases
the risk of asphyxiation.
A 100%, 0%
B 50%, 0%
C 23.5%, 19.5%
D 100 ppm, 20 ppm - ----Answers---23.5%, 19.5%
A unit of pressure with the atmospheric pressure used as the
base or reference pressure.
A Gauge Pressure
B Absolute Pressure
C Dynamic Pressure
D Static Pressure - ----Answers---Gauge Pressure
,The ___________ pressure of a system measured while it is in
use or flowing.
A static
B gauge
C dynamic
D absolute - ----Answers---dynamic
CGA E.10 recommends a medical gas riser diagram with the
following included: _________.
A Alarms, Sensors, & Settings
B Valve locations and indicate areas controlled
C Source Locations
D All of the above - ----Answers---All of the above
Medical Gas area and master alarm line pressure set points
are __________ above and below normal line pressure.
A 5%
B 20%
C 50%
D 20 psig - ----Answers---20%
Use ____________ to test of zone valve external leakage
A listen very closely
B an oxygen compatible solution or equally effective means
safe for use with oxygen
, C dish soap
D flame - ----Answers---an oxygen compatible solution or
equally effective means safe for use with oxygen
Any lubricant used on o-rings to repair medical gas outlet
leaks must be ________________.
A oxygen compatible
B petroleum based
C food grade
D lubricants may not be used - ----Answers---oxygen
compatible
An existing system that is not in strict compliance with this
code and does not pose a distinct hazard to life per the opinion
of the AHJ may not continue to be used.
A TRUE
B FALSE - ----Answers---FALSE
Categories are determined by following and documenting a
defined risk assessment procedure. If used, which of the
following systems does not require this assessment to be
performed per NFPA 99, 2018?
A Category 1 System
B Category 2 System
C Category 3 System
D Category 4 System - ----Answers---Category 1 System
