_____________ of the coal is the basis for Seylor's coal classification?
Correct answer: D. Ultimate analysis
- A. Proximate analysis
- B. Calorific value
- C. Caking index
- D. Ultimate analysis
Explanation
Seyler’s classification uses the coal’s elemental composition, especially carbon and hydrogen percentages, which are obtained from ultimate analysis. Proximate analysis instead reports moisture, volatile matter, ash and fixed carbon.
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