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It's called a Neutral flame. Enough Oxygen is added to the fuel to allow almost complete combustion. The remaing fuel is combined with the surrounding air and burned. This is the best flame for most cutting and welding operations. Too little Oxygen produces a Carburizing flame. It is yellow and produces smoke. A slightly Carburizing flame is used when welding Aluminum.

Too much Oxygen produces an Oxidizing flame. It begins to sound louder and the inner flame comes to a point.

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Related Questions

What alkynes produces the hottest flame when burned in oxygen and is primarily used as a fuel gas?

Acetylene (C2H2) produces the hottest flame when burned in oxygen. It is primarily used as a fuel gas for welding and cutting metal due to its high flame temperature.


Which gas burns the hottest when cutting torch is used?

oxygen supports the combustion of the gas that one uses in the welding/cutting torch. Acetylene combined with Oxygen produces the hottest flame.


What is the hottest part of a welding flame?

It is just at the end of the blue flame that comes from the tip.


How would you find out what is the hottest flame on a Bunsen burner?

The hottest flame on a Bunsen burner is typically the blue cone-shaped flame. You can adjust the air and gas flow to achieve this flame, which is characterized by a steady, roaring noise. To confirm the hottest flame, you could use a thermometer to measure the temperature at the tip of the flame.


What is the Colour of the hottest Bunsen flame?

The hottest Bunsen flame is blue in color. It indicates complete combustion of the gas due to the high temperature.


Which is the hottest flame on a Bunsen burner and why?

The hottest flame on a Bunsen burner is the blue flame produced when the air and gas mixture is properly adjusted. The blue flame is the hottest because it is well-oxygenated and allows for complete combustion of the gas, resulting in higher temperatures.


What is the hottest part of the flame from a Bunsen burner?

The hottest part is where the flame is light blue or blue; which gradually turns to yellow as the flame is cooled by the colder outer air. When the safety flame (yellow) is on, the hottest point is the tip of this flame.


A Bunsen burner burns with the hottest flame when its hole is fully open because this allows plenty of gas from the air to reach the flame What is this gas?

Oxygen


In the Bunsen burner where is the flame hottest?

The hottest flame is the blue flame and the coolest flame is yellow.


What is the hottest burning gas?

The hottest burning gas is typically considered to be acetylene, which can reach temperatures of up to 4,630 degrees Fahrenheit (2,550 degrees Celsius) when it undergoes combustion in the presence of oxygen. Acetylene is commonly used in welding and cutting applications due to its high flame temperature. Its ability to reach such high temperatures makes it an efficient and effective choice for various industrial processes.


What part of flame is hottest on a Bunsen burner?

The inner blue part of the flame is the hottest on a Bunsen burner, as this is where complete combustion occurs due to the optimal air-to-gas ratio.


What types of flame are obtained in oxy-acetylene gas welding?

When the correct amount of Oxygen is mixed with the Acetylene a NEUTRAL flame is produced. Less than that amount produces a CARBURIZING flame. Too much Oxygen creates an OXIDIZING flame. Most welding/cutting is done with a NEUTRAL flame but all flame adjustments have their purpose.