Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as_______________?
Correct answer: B. M = 1.1 A
- A. M = 1.8 A
- B. M = 1.1 A
- C. M = 0.5 A
- D. M = A
Explanation
Ash is the residue measured after coal is completely burned, while mineral matter includes components altered or lost during combustion. The empirical conversion used is approximately mineral matter, M = 1.1A, where A is ash percentage.
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