Moderate
_____________ fuels require the maximum percentage of 'excess air' for complete combustion ?
Correct answer: A. Solid
- A. Solid
- B. Liquid
- C. Gaseous
- D. Nuclear
Explanation
Solid fuels generally need the greatest excess air because their fuel-air mixing is less uniform and combustion is slower than with liquid or gaseous fuels. Extra air helps ensure complete combustion.
Written and checked by Zahid Hussain, MS Computer ScienceLast updated
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