G-22 FDNY Test – Practice Questions and
Correct Answers for LPG and CNG Safety
Certification|| GRADED A+|| LATEST
UPDATE 2026
Amounts of LPG & CNG where permit is required -CORRECTANSWER 16.4 oz and 8.7
SCF
Portable LPG AND CNG containers with a capacity greater than 16.4 oz 8.7 SCF
CANNOT be stored where? -CORRECTANSWER Indoors
What temperature can cause pressure inside a container to increase to an unsafe level?
-CORRECTANSWER 125°F
What must be used to shield containers that are exposed to hot air blown by a heating
appliance? -CORRECTANSWER A protective partition
Control Valve -CORRECTANSWER On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
, Hoses -CORRECTANSWER Should be as short as possible
Cannot exceed 30 feet
When used inside the hose cannot pass through any partitions/floors/walls/ceilings
The use of nonmetallic pipe tubing or hose for permanently interconnecting containers
is prohibited -CORRECTANSWER
If containers need to be moved between floors -CORRECTANSWER Use an elevator if
possible
When can containers be transported in vehicles? -CORRECTANSWER When they are
approved vehicles
When the quantity of gas is less than 400 SCF
Containers should be kept away from -CORRECTANSWER Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
Correct Answers for LPG and CNG Safety
Certification|| GRADED A+|| LATEST
UPDATE 2026
Amounts of LPG & CNG where permit is required -CORRECTANSWER 16.4 oz and 8.7
SCF
Portable LPG AND CNG containers with a capacity greater than 16.4 oz 8.7 SCF
CANNOT be stored where? -CORRECTANSWER Indoors
What temperature can cause pressure inside a container to increase to an unsafe level?
-CORRECTANSWER 125°F
What must be used to shield containers that are exposed to hot air blown by a heating
appliance? -CORRECTANSWER A protective partition
Control Valve -CORRECTANSWER On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
, Hoses -CORRECTANSWER Should be as short as possible
Cannot exceed 30 feet
When used inside the hose cannot pass through any partitions/floors/walls/ceilings
The use of nonmetallic pipe tubing or hose for permanently interconnecting containers
is prohibited -CORRECTANSWER
If containers need to be moved between floors -CORRECTANSWER Use an elevator if
possible
When can containers be transported in vehicles? -CORRECTANSWER When they are
approved vehicles
When the quantity of gas is less than 400 SCF
Containers should be kept away from -CORRECTANSWER Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
