Engine : Steam Plants - 591/811
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| When burning fuel oil in a boiler, a high CO2 content is desired in the stack gas because __________. |
| A) efficient combustion is indicated even though the heat liberated is less than the heat produced by burning to CO |
| B) efficient combustion is indicated and the heat liberated is equal to the heat produced by the formation of CO |
| C) less excess air is required to produce CO2 than CO |
| D) more heat is liberated by the production of CO2 than CO |
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