Which gas is not typically used as an inerting gas?

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Prepare for the CWEA Electrical/Instrumentation (E/I) Grade 1 Test. Use flashcards and multiple-choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

Which gas is not typically used as an inerting gas?

Explanation:
An inerting gas creates an atmosphere that won’t support combustion by reducing or displacing the oxygen present. Nitrogen, argon, and carbon dioxide are all non-flammable gases that lower the amount of free oxygen, preventing ignition. Oxygen, however, is the oxidizer that fuels flames, so using it as an inerting gas would actually raise the risk of ignition rather than prevent it.

An inerting gas creates an atmosphere that won’t support combustion by reducing or displacing the oxygen present. Nitrogen, argon, and carbon dioxide are all non-flammable gases that lower the amount of free oxygen, preventing ignition. Oxygen, however, is the oxidizer that fuels flames, so using it as an inerting gas would actually raise the risk of ignition rather than prevent it.

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