A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be_________________?
Correct answer: C. Same
- A. More
- B. Less
- C. Same
- D. Data insufficient; can't be predicted
Explanation
The difference between gross and net calorific value is the heat recovered by condensing water vapour formed from hydrogen in the fuel. With no hydrogen or hydrogen compounds present, no such condensation heat exists, so both values are the same.
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