To change flame size on a torch, what should you do?

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Multiple Choice

To change flame size on a torch, what should you do?

Explanation:
The size of the flame is set by the torch tip. The tip’s opening (the orifice) determines how much gas can flow and how it mixes with the oxidizer, which shapes the flame and its width. Changing to a larger tip lets more gas mix and produce a broader, bigger flame; using a smaller tip tightens the flow and creates a narrower flame. Adjusting the regulator or gas flow changes pressure and overall heat output, but doesn’t reliably change the flame’s physical size. Moving the torch closer to the workpiece changes heat transfer at the surface, not the flame’s dimensions. So to change flame size, you swap to a tip with a different orifice.

The size of the flame is set by the torch tip. The tip’s opening (the orifice) determines how much gas can flow and how it mixes with the oxidizer, which shapes the flame and its width. Changing to a larger tip lets more gas mix and produce a broader, bigger flame; using a smaller tip tightens the flow and creates a narrower flame. Adjusting the regulator or gas flow changes pressure and overall heat output, but doesn’t reliably change the flame’s physical size. Moving the torch closer to the workpiece changes heat transfer at the surface, not the flame’s dimensions. So to change flame size, you swap to a tip with a different orifice.

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