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In gas welding which of the following is generally used?
- a)Oxygen-Hydrogen
- b)Oxygen-Acetylene
- c)Oxygen-Hydrogen or Oxygen-Acetylene
- d)None of the mentioned
Correct answer is option 'C'. Can you explain this answer?
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In gas welding which of the following is generally used?a)Oxygen-Hydro...
Explanation: Intense heat is released I a controlled way and at a moderate temperature.
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In gas welding which of the following is generally used?a)Oxygen-Hydro...
Gas welding is a process of joining two metal pieces by heating them with a flame generated by a mixture of gases. The most commonly used gases for this process are oxygen and hydrogen or oxygen and acetylene. Let's discuss both of them in detail.
Oxygen-Hydrogen:
- This gas mixture produces a flame that burns at a very high temperature of around 2800°C.
- It is mainly used for welding thin sheets of metals like aluminum and copper.
- The flame produced by this mixture is clean and does not leave any residue on the welded metal.
- However, it requires a large amount of hydrogen gas, which can be expensive.
Oxygen-Acetylene:
- This gas mixture produces a flame that burns at a temperature of around 3200°C.
- It is mainly used for welding thicker metals like steel and iron.
- The flame produced by this mixture is slightly dirty and leaves some residue on the welded metal.
- However, it is a cheaper option than oxygen-hydrogen as it requires less acetylene gas.
Therefore, both oxygen-hydrogen and oxygen-acetylene are generally used in gas welding depending on the type of metal being welded and the required temperature.
Oxygen-Hydrogen:
- This gas mixture produces a flame that burns at a very high temperature of around 2800°C.
- It is mainly used for welding thin sheets of metals like aluminum and copper.
- The flame produced by this mixture is clean and does not leave any residue on the welded metal.
- However, it requires a large amount of hydrogen gas, which can be expensive.
Oxygen-Acetylene:
- This gas mixture produces a flame that burns at a temperature of around 3200°C.
- It is mainly used for welding thicker metals like steel and iron.
- The flame produced by this mixture is slightly dirty and leaves some residue on the welded metal.
- However, it is a cheaper option than oxygen-hydrogen as it requires less acetylene gas.
Therefore, both oxygen-hydrogen and oxygen-acetylene are generally used in gas welding depending on the type of metal being welded and the required temperature.
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In gas welding which of the following is generally used?a)Oxygen-Hydrogenb)Oxygen-Acetylenec)Oxygen-Hydrogen or Oxygen-Acetylened)None of the mentionedCorrect answer is option 'C'. Can you explain this answer?
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