In thermal power plant, heat from the flue gases is utilized in___________?
Correct answer: C. economizer
- A. super heater
- B. condenser
- C. economizer
- D. chimney
Explanation
The economizer recovers heat from flue gases to preheat the boiler feedwater, improving plant efficiency and reducing fuel consumption. A superheater uses heat to raise steam temperature after evaporation, not primarily to preheat feedwater.
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