G-22 FDNY Test 55 Questions and Answers |
Complete Guide with Verified Solutions |
Grade A+
• Amounts of LPG & CNG where permit is required -✓✓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? -✓✓Indoors
• What temperature can cause pressure inside a container to increase to an unsafe
level? -✓✓125°F
• What must be used to shield containers that are exposed to hot air blown by a
heating appliance? -✓✓A protective partition
• Control Valve -✓✓On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
• Hoses -✓✓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 -✓✓
• If containers need to be moved between floors -✓✓Use an elevator if possible
• When can containers be transported in vehicles? -✓✓When they are approved
vehicles
When the quantity of gas is less than 400 SCF
, • Containers should be kept away from -✓✓Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
• Which liquids are considered LPG -✓✓Propane (most common)
Propylene
Butane (most common)
Butylene
• LPG is naturally -✓✓Colorless and Odorless
• What odor allows you to detect an LPG leak? -✓✓Rotten eggs
• When is the use of LPG in liquid form not prohibited? -✓✓Hot air balloon
operations
• LPG is usually stored as what and why? -✓✓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? -✓✓To be a much greater fire
hazard than a vapor leak
• LPG containers are allowedd to charge to a max of how many pounds? -✓✓100
pounds
• Universal Type container may be used -✓✓Either upright or horizontal
• When are universal containers used -✓✓When its difficult to maintain an upright
position on a standard container
• How must control valve be opened? -✓✓By hand and turning 2 full revolutions
counter clockwise
• Rubber Slip Connections -✓✓Prohibited in LPG containers
Complete Guide with Verified Solutions |
Grade A+
• Amounts of LPG & CNG where permit is required -✓✓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? -✓✓Indoors
• What temperature can cause pressure inside a container to increase to an unsafe
level? -✓✓125°F
• What must be used to shield containers that are exposed to hot air blown by a
heating appliance? -✓✓A protective partition
• Control Valve -✓✓On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
• Hoses -✓✓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 -✓✓
• If containers need to be moved between floors -✓✓Use an elevator if possible
• When can containers be transported in vehicles? -✓✓When they are approved
vehicles
When the quantity of gas is less than 400 SCF
, • Containers should be kept away from -✓✓Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
• Which liquids are considered LPG -✓✓Propane (most common)
Propylene
Butane (most common)
Butylene
• LPG is naturally -✓✓Colorless and Odorless
• What odor allows you to detect an LPG leak? -✓✓Rotten eggs
• When is the use of LPG in liquid form not prohibited? -✓✓Hot air balloon
operations
• LPG is usually stored as what and why? -✓✓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? -✓✓To be a much greater fire
hazard than a vapor leak
• LPG containers are allowedd to charge to a max of how many pounds? -✓✓100
pounds
• Universal Type container may be used -✓✓Either upright or horizontal
• When are universal containers used -✓✓When its difficult to maintain an upright
position on a standard container
• How must control valve be opened? -✓✓By hand and turning 2 full revolutions
counter clockwise
• Rubber Slip Connections -✓✓Prohibited in LPG containers
