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G-22 FDNY Exam Questions And Answers
100% Guaranteed Pass.
Amounts of LPG & CNG where permit is required - Answer✔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? - Answer✔Indoors
What temperature can cause pressure inside a container to increase to an unsafe level? -
Answer✔125°F
What must be used to shield containers that are exposed to hot air blown by a heating
appliance? - Answer✔A protective partition
Control Valve - Answer✔On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
Hoses - Answer✔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 - Answer✔
If containers need to be moved between floors - Answer✔Use an elevator if possible
When can containers be transported in vehicles? - Answer✔When they are approved vehicles
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, ©SIRJOEL 2024/2025 ALL RIGHTS RESERVED.
When the quantity of gas is less than 400 SCF
Containers should be kept away from - Answer✔Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
Which liquids are considered LPG - Answer✔Propane (most common)
Propylene
Butane (most common)
Butylene
LPG is naturally - Answer✔Colorless and Odorless
What odor allows you to detect an LPG leak? - Answer✔Rotten eggs
When is the use of LPG in liquid form not prohibited? - Answer✔Hot air balloon operations
LPG is usually stored as what and why? - Answer✔A liquid. Because when the liquid turns to a
gas it expands to 269 times its original volume
What does the expansion rate of LPG cause? - Answer✔To be a much greater fire hazard than a
vapor leak
LPG containers are allowedd to charge to a max of how many pounds? - Answer✔100 pounds
Universal Type container may be used - Answer✔Either upright or horizontal
When are universal containers used - Answer✔When its difficult to maintain an upright position
on a standard container
How must control valve be opened? - Answer✔By hand and turning 2 full revolutions counter
clockwise
Rubber Slip Connections - Answer✔Prohibited in LPG containers
Flexible nonmetallic hoses - Answer✔May be used on construction sites/emergency indoor
repairs/manhole operations
2|Page
G-22 FDNY Exam Questions And Answers
100% Guaranteed Pass.
Amounts of LPG & CNG where permit is required - Answer✔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? - Answer✔Indoors
What temperature can cause pressure inside a container to increase to an unsafe level? -
Answer✔125°F
What must be used to shield containers that are exposed to hot air blown by a heating
appliance? - Answer✔A protective partition
Control Valve - Answer✔On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
Hoses - Answer✔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 - Answer✔
If containers need to be moved between floors - Answer✔Use an elevator if possible
When can containers be transported in vehicles? - Answer✔When they are approved vehicles
1|Page
, ©SIRJOEL 2024/2025 ALL RIGHTS RESERVED.
When the quantity of gas is less than 400 SCF
Containers should be kept away from - Answer✔Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
Which liquids are considered LPG - Answer✔Propane (most common)
Propylene
Butane (most common)
Butylene
LPG is naturally - Answer✔Colorless and Odorless
What odor allows you to detect an LPG leak? - Answer✔Rotten eggs
When is the use of LPG in liquid form not prohibited? - Answer✔Hot air balloon operations
LPG is usually stored as what and why? - Answer✔A liquid. Because when the liquid turns to a
gas it expands to 269 times its original volume
What does the expansion rate of LPG cause? - Answer✔To be a much greater fire hazard than a
vapor leak
LPG containers are allowedd to charge to a max of how many pounds? - Answer✔100 pounds
Universal Type container may be used - Answer✔Either upright or horizontal
When are universal containers used - Answer✔When its difficult to maintain an upright position
on a standard container
How must control valve be opened? - Answer✔By hand and turning 2 full revolutions counter
clockwise
Rubber Slip Connections - Answer✔Prohibited in LPG containers
Flexible nonmetallic hoses - Answer✔May be used on construction sites/emergency indoor
repairs/manhole operations
2|Page
