A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the reminder going to CO, the Orsat analysis in volume percent is
A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O : 15.66, N2 : 72.60
B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2 : 86.02
C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O : 25.96, N2 : 72.06
D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74
Answer: Option B
This Question Belongs to Chemical Engineering >> Fuels And Combustion
Incomplete combustion of fuel in the furnace is judged by high __________ of the flue gases.
A. CO content
B. Dew point
C. CO2 content
D. O2 content
High sulphur content in a fuel __________ of the flue gases.
A. Decreases the dew point
B. Increases the dew point
C. Reduces the combustion efficiency by limiting the permissible temperature reduction
D. Both B & C
Coal tar fuel - 200 (CTF 200) is a mixture of
A. Pitch and creosote oil
B. Light oil and pitch
C. Anthracene and crecosote oil
D. Solar oil and pitch
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