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Which gaseous fuel has a very low heating value?

(a) Blast furnace gas

(b) Coke oven gas

(c) Water gas

(d) Mond gas

This question was posed to me by my school teacher while I was bunking the class.

This key question is from Gaseous Fuels & Nuclear Fuels in section Steam Power Plant of Energy Engineering

1 Answer

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The correct option is (a) Blast furnace gas

The best explanation: Blast furnace has a very low heating value. It is obtained as a by-product during blast furnace operation. Due to high percentage of dust content it should be purified before use. It has a calorific value ranging between 3800 KJ/m^3 to 4200 kJ/m^3. It is used as a fuel in gas engines in steam generation and in steel plants.

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