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G-22 FDNY TEST QUESTIONS AND
ANSWERS
Question: Amounts of LPG & CNG where permit is
required
Correct answer: 16.4 oz and 8.7 SCF
Question: Portable LPG AND CNG containers with a
capacity greater than 16.4 oz 8.7 SCF CANNOT be stored where?
Correct answer: Indoors
Question: What temperature can cause pressure inside a
container to increase to an unsafe level?
Correct answer: 125°F
Question: What must be used to shield containers that are
exposed to hot air blown by a heating appliance?
Correct answer: A protective partition
Question: Control Valve
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Correct answer: On top of each container; Controls the
discharge of the contents of the container; Must be opened by hand
Question: Hoses
Correct answer: Should be as short as possible; Cannot
exceed 30 feet; When used inside the hose cannot pass through any partitions/floors/walls/ceilings
Question: The use of nonmetallic pipe tubing or hose for
permanently interconnecting containers
Correct answer: is prohibited
Question: If containers need to be moved between floors
Correct answer: Use an elevator if possible
Question: When can containers be transported in
vehicles?
Correct answer: When they are approved vehicles; When
the quantity of gas is less than 400 SCF
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Question: Containers should be kept away from
Correct answer: Sources of ignition; Extreme temps;
Corrosives; Falling objects; Public tampering; Places where it may fall
Question: Which liquids are considered LPG
Correct answer: Propane (most common); Propylene;
Butane (most common); Butylene
Question: LPG is naturally
Correct answer: Colorless and Odorless
Question: What odor allows you to detect an LPG leak?
Correct answer: Rotten eggs
Question: When is the use of LPG in liquid form not
prohibited?
Correct answer: Hot air balloon operations
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Question: LPG is usually stored as what and why?
Correct answer: A liquid. Because when the liquid turns
to a gas it expands to 269 times its original volume
Question: What does the expansion rate of LPG cause?
Correct answer: To be a much greater fire hazard than a
vapor leak
Question: LPG containers are allowed to charge to a max
of how many pounds?
Correct answer: 100 pounds
Question: Universal Type container may be used
Correct answer: Either upright or horizontal
Question: When are universal containers used
Correct answer: When its difficult to maintain an upright
position on a standard container