Chapter 7 - LP Liquid Transfer Flashcards

1
Q

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 ______

A

80%, 130°F

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2
Q

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

A

Shall be turned off

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3
Q

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

A

15 feet

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4
Q

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

A

25 feet

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5
Q

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

A

At least 10 feet

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6
Q

Cylinders shall not be permitted on

A

Roofs

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7
Q

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

A

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

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8
Q

Only vapor shall be exhausted to

A

The atmosphere

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9
Q

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

A backflow check valve

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10
Q

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

A

25 feet from combustibles

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