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To calculate HCV of the fuel, the products of combustion are cooled down to __________

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To calculate HCV of the fuel, the products of combustion are cooled down to __________

(a) 600F

(b) 700F

(c) 400F

(d) 200F

The question was posed to me in an online interview.

This is a very interesting question from Calorific Value topic in section Fuel Technologies of Applied Chemistry

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The correct option is (a) 600F

For explanation: The products of combustion are cooled down to 600F or 150C that is room temperature. The hydrogen gas gets converted into steam.

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