Question

Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

a.

M = 1.8 A

b.

M = 0.5 A

c.

M = 1.1 A

d.

M = A

Answer: (c).M = 1.1 A

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Q. Mineral matter, 'M' and ash percentage 'A' in coal are roughly related as

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