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- Subject
- Furnace Technologychemical-engineering › furnace-technology
- Published
- 11 Mar 2019
- Last updated
- 28 May 2026
Explanation
Metallic recuperators are not recommended for waste heat recovery when the flue gas temperature exceeds 750 °C, as corrosion becomes significant at higher temperatures, reducing their durability and effectiveness.
More Furnace Technology MCQs
Practice related questions from the same subject.
- 1.Identify the incorrect statement from the following options:
- 2.What is the primary purpose of Ostwald charts?
- 3.Among the following types of furnaces, which one achieves the highest thermal efficiency?
- 4.What does the economiser in a boiler primarily preheat?
- 5.Which of the following substances is not used as an additive to flue gases from a furnace to lower their dew point?
- 6.Among the following fuels burned in a furnace with flue gas temperature at 600°C, which one results in the highest percentage of stack loss during complete combustion?
- 7.Which of the following methods does NOT contribute to improving fuel efficiency in an industrial furnace?
- 8.Which type of furnace is designed with distinct preheating, heating, and soaking sections?
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