Pure carbon is completely burnt in oxygen. The flue gas analysis is 70% CO2, 20% CO and 10% O2. The percent excess oxygen used is
A. 20
B. 12.5
C. 0
D. 10
Answer: Option C
Related Questions on 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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