1. Neutral flame (Equal vol.) Oxygen and Acetylene
2. Carburizing flame (Excess Acetylene)
3. Oxidizing flame (Excess Oxygen)
1. Neutral Flame: The proper mixture of oxygen and Acetylene is used for most welds.
2. Carburizing Flame: A low-temperature flame for touch brazing
3. Oxidizing Flame: This flame has excess oxygen. The flame does not wake a strong weld and as such always harmful.
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![Two identical charges situated 20cm apart in vacuum repel each other with a force of 1.0N. Calculate the value of each other with a force of 1.0N. Calculate the value of each charge. [(14 πεo)‾¹ = 9 x 10^9 Nm²C‾²]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Two identical charges situated 20cm apart in vacuum repel each other with a force of 1.0N. Calculate the value of each other with a force of 1.0N. Calculate the value of each charge. [(14 πεo)‾¹ = 9 x 10^9 Nm²C‾²]")