Answers |Latest Version |Already Graded A+
Amounts of LPG & CNG where permit is required ✔Correct 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? ✔Correct Answer-Indoors
What temperature can cause pressure inside a container to increase to an unsafe level?
✔Correct Answer-125°F
What must be used to shield containers that are exposed to hot air blown by a heating
appliance? ✔Correct Answer-A protective partition
Control Valve ✔Correct Answer-On top of each container.
Controls the discharge of the contents of the container.
Must be opened by hand
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
The use of nonmetallic pipe tubing or hose for permanently interconnecting containers is
prohibited ✔Correct Answer-
If containers need to be moved between floors ✔Correct Answer-Use an elevator if possible
When can containers be transported in vehicles? ✔Correct Answer-When they are approved
vehicles
When the quantity of gas is less than 400 SCF
Containers should be kept away from ✔Correct Answer-Sources of ignition
Extreme temps
Corrosives
Falling objects
Public tampering
Places where it may fall
, Which liquids are considered LPG ✔Correct Answer-Propane (most common)
Propylene
Butane (most common)
Butylene
LPG is naturally ✔Correct Answer-Colorless and Odorless
What odor allows you to detect an LPG leak? ✔Correct Answer-Rotten eggs
When is the use of LPG in liquid form not prohibited? ✔Correct Answer-Hot air balloon
operations
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
What does the expansion rate of LPG cause? ✔Correct 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? ✔Correct Answer-100
pounds
Universal Type container may be used ✔Correct Answer-Either upright or horizontal
When are universal containers used ✔Correct Answer-When its difficult to maintain an
upright position on a standard container
How must control valve be opened? ✔Correct Answer-By hand and turning 2 full revolutions
counter clockwise
Rubber Slip Connections ✔Correct Answer-Prohibited in LPG containers
Flexible nonmetallic hoses ✔Correct Answer-May be used on construction sites/emergency
indoor repairs/manhole operations
non-metallic hose must be DOT approved designed for ✔Correct Answer-Working pressure of
not less than 250 psi outdoors or 350 psi indoors
LPG cannot be used ✔Correct Answer-Underground or any below grade locations
Heaters used for curing and drying must be at least how many feet away from LPG container?
✔Correct Answer-6 feet
Combustile materials must be how far away from LPG? ✔Correct Answer-At least 10 feet