The correct temperature range of flue gases in an induced-draft furnace is between 27 5 ° F and 40 0 ° F . This range is crucial for the furnace's efficient operation. Thus, the selected answer is option D.
;
The problem requires identifying the correct temperature range of flue gases in an induced-draft furnace.
The typical temperature range is between 27 5 ∘ F and 40 0 ∘ F .
Option D, 27 5 ∘ F to 40 0 ∘ F , is the correct answer.
Therefore, the temperature range of the flue gases in an induced-draft furnace is 27 5 ∘ F t o 40 0 ∘ F .
Explanation
Understanding the Problem The question asks for the temperature range of flue gases in an induced-draft furnace. We need to select the correct range from the given options. This is a knowledge-based question, so no calculations are needed.
Identifying the Correct Range The temperature range of flue gases in an induced-draft furnace is typically between 27 5 ∘ F and 40 0 ∘ F . This range ensures efficient combustion and venting of exhaust gases.
Final Answer Therefore, the correct answer is D. 27 5 ∘ F to 40 0 ∘ F .
Examples
Understanding the temperature range of flue gases in furnaces is crucial for ensuring efficient and safe operation in heating systems. For example, knowing the correct temperature range helps in designing proper venting systems to prevent condensation and corrosion, which can lead to carbon monoxide leaks. In industrial settings, monitoring flue gas temperatures can optimize combustion processes, reducing fuel consumption and minimizing emissions. This knowledge is also vital for troubleshooting issues in furnaces, such as identifying problems with the burner or heat exchanger, ensuring the heating system operates efficiently and safely.