Chapter 7 - LP Liquid Transfer Flashcards
The service pressure marked on the cylinder shall not be less than _____ of the vapor pressure of the LP gas for which the cylinder is designed at ______
80%, 130°F
Sources of ignition shall_______ During the transfer operations, all connections or disconnections are made, or while LP gas is being vented to that
Shall be turned off
Internal combustion engines within ________ feet of a point of transfer Shall be shut down while the transfer operations are in progress
15 feet
Smoking open flame, portable, electrical tools, and extension lights, capable of igniting LP gas shall not be permitted within _______ point of transfer while filling operations are in progress
25 feet
Cargo tank vehicles, unloading into storage containers shall be _____ from the container and so positioned that the shut off valves on both the truck and the container are readily accessible
At least 10 feet
Cylinders shall not be permitted on
Roofs
Venting of cylinders indoors shall only occur in structures designed and constructed for cylinder filling. Piping shall be installed to convey vented product outdoors
3 feet above the highest point of any building within 25 feet
Only vapor shall be exhausted to
The atmosphere
If a vent manifold is used to allow for venting of more than one cylinder at a time, each connection to the vent manifold shall be equipped with
A backflow check valve
If conditions are such that venting into atmosphere cannot be accomplished safely, LP – gas shall be burned at a distance at least
25 feet from combustibles