NGA 70 Properties Of Natural Gas And Abnormal Operating Conditions Practice Test

Which statement best describes natural gas flow relative to pressure?

From lower pressure to higher pressure From higher pressure to lower pressure From equal pressure to equal pressure It is independent of pressure

Correct Answer:

From higher pressure to lower pressure

Explanation:

Gas movement is driven by a pressure gradient: higher pressure on one side pushes the gas toward lower pressure on the other side. This pressure difference provides the driving force that causes flow through a pipeline, overcoming friction and any restrictions along the path. If the pressures are equal, there’s no net flow. That’s why flow from higher pressure to lower pressure is the correct description, while flow from lower to higher pressure or flow that’s independent of pressure don’t match how natural gas moves in a system.

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