AG Mechanics CDE Practice Exam 2025 – Comprehensive Test Prep Resource

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What is the main component fuel used in oxyacetylene welding?

Acetylene

Acetylene is the main component fuel used in oxyacetylene welding. It is chosen for its high flame temperature and the ability to create a reducing flame necessary for welding and cutting operations. Butane, natural gas, and propane are not typically used as the main component fuel in oxyacetylene welding due to their lower flame temperatures and other characteristics that may not be suitable for the welding process.

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Butane

Natural Gas

Propane

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