In a cutting torch, ____________________ is mixed with the fuel gas to form a high-temperature preheating flame.
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Q42: What are some of the various oxyfuel
Q43: How is a torch tip seal checked
Q44: Which organization has a standard numbering system
Q45: _ contains little or no unoxidized iron.
A)
Q46: In some cylinders a(n) _ tube is
Q48: Most hand torches will not easily cut
Q49: _ produces only a primary combustion flame,
Q50: Gauges that do not read _ when
Q51: _ gas is mostly methane and ethane.
Q52: An infrared analysis or _ of the
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