Chapter 7 - LP Liquid Transfer

Question 1

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 ______

Answer 1

80%, 130°F

Question 2

Sources of ignition shall_______ During the transfer operations, all connections or disconnections are made, or while LP gas is being vented to that

Answer 2

Shall be turned off

Question 3

Internal combustion engines ________ of a point of transfer Shall be shut down while the transfer operations are in progress

Answer 3

15 feet

Question 4

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

Answer 4

25 feet

Question 5

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

Answer 5

At least 10 feet

Question 6

Cylinders shall not be permitted on

Answer 6

Roofs

Question 7

Venting of cylinders indoors shall only occur in structures designed and constructed for cylinder filling. Piping shall be installed to convey vented product outdoors

Answer 7

3 feet above the highest point of any building within 25 feet

Question 8

Only vapor shall be exhausted to

Answer 8

The atmosphere

Question 9

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

Answer 9

A backflow check valve

Question 10

If conditions are such that venting into atmosphere cannot be accomplished safely, LP – gas shall be burned at a distance at least

Answer 10

25 feet from combustibles