Chemical Engineering
Q Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that_________________?
  • A A. Pure oxygen has been used for combustion
  • B B. Nitrogen percentage in the fuel is very high
  • C C. Excess air has been used for combustion
  • D D. Hydrogen is not present in the fuel
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