Improper storage condition results in the weathering of coal and spont – McqOptions

MCQOPTIONS

1.	Improper storage condition results in the weathering of coal and spontaneous combustion, which increases its_________________?
A.	Caking index
B.	Yield of carbonised products
C.	Friability & oxygen content
D.	Calorific value
Answer» D. Calorific value

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