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| Q. |
What happens when carbon monoxide is obtained in flue gas analysis? |
| A. | combustion is complete |
| B. | combustion does not take place |
| C. | combustion is incomplete |
| D. | it increases the rate of combustion. |
| Answer» C. combustion is incomplete | |
| Explanation: if the analysis shows the presence of free co, it means that the combustion is incomplete which calls for an intermediate increase in the amount of air used for combustion. also, a diminution in the rate of supply of coal is required. | |
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