When burning fuel oil in a boiler, a high CO2 content is desired in the stack gas because __________.

Question

Accepted Answer

more heat is liberated by the production of CO2 than CO

Answer

efficient combustion is indicated even though the heat liberated is less than the heat produced by burning to CO

Answer

less excess air is required to produce CO2 than CO

Answer

efficient combustion is indicated and the heat liberated is equal to the heat produced by the formation of CO

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