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In Oxy-acetelene gas welding, for complete combustion, the volume of oxygen required per unit of acetylene is
  • a)
    1
  • b)
    1.5
  • c)
    2
  • d)
    2.5
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
In Oxy-acetelene gas welding, for complete combustion, the volume of o...
Complete Combustion in Oxy-acetylene Gas Welding

Complete combustion is an essential process in oxy-acetylene gas welding where the fuel gas, Acetylene, burns in the presence of oxygen gas to generate heat. During the process, the acetylene gas is decomposed into carbon and hydrogen, releasing a large amount of heat energy. The heat generated by the exothermic reaction is utilized to melt and join metallic components.

Volume of Oxygen Required for Complete Combustion

The volume of oxygen required for complete combustion in oxy-acetylene gas welding depends on the stoichiometric ratio of acetylene and oxygen. The stoichiometric ratio is the minimum ratio of oxygen required to burn a unit volume of acetylene gas completely.

The stoichiometric ratio for acetylene and oxygen is 1:2.5. It means that for every unit volume of acetylene gas, 2.5 units of oxygen gas are required to burn it completely. Therefore, the correct option for the volume of oxygen required per unit of acetylene is 2.5.

Conclusion

In summary, complete combustion is a critical process in oxy-acetylene gas welding, where the volume of oxygen required for complete combustion depends on the stoichiometric ratio of acetylene and oxygen. The stoichiometric ratio for acetylene and oxygen is 1:2.5, which means that for every unit volume of acetylene gas, 2.5 units of oxygen gas are required to burn it completely.
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Community Answer
In Oxy-acetelene gas welding, for complete combustion, the volume of o...
C2H2 + 2.5 O2 = 2CO2 + H2O.this is balanced equation.
here 1 mol of acetylene (C2H2) requires 2.5 oxygen.
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In Oxy-acetelene gas welding, for complete combustion, the volume of oxygen required per unit of acetylene isa)1b)1.5c)2d)2.5Correct answer is option 'D'. Can you explain this answer?
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