Theoretical volume of oxygen required for complete combus... — Answer & Explanation | PrepBeePakistan

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HomeMCQsChemical Engineering

MEDIUMENGLISHChemical Engineering

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?

Correct answer: D

Explanation

The combustion reaction for acetylene (C2H2) is 2C2H2 + 5O2 -> 4CO2 + 2H2O. This requires a volume ratio of 5 parts oxygen to 1 part acetylene.

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