'Wobbe index' is a characteristic of__________________?
Correct answer: A. Gaseous fuels
- A. Gaseous fuels
- B. Solid fuels
- C. Liquid fuels
- D. Fat coals
Explanation
The Wobbe index compares the heating value of a gas with its specific gravity and is used to assess interchangeability of gaseous fuels. It is therefore a characteristic of gaseous fuels.
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