What is required to produce a neutral flame?

Workshop Technology MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Workshop Technologymechanical-engineering-mcqs › workshop-technology
Published
23 Jan 2019
Last updated
28 May 2026

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Explanation

A neutral flame is created when acetylene and oxygen are mixed in equal proportions. This balance ensures complete combustion without excess oxygen or fuel, resulting in a stable flame ideal for welding and cutting.

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