Ash content in the middling coal (a byproduct of coal washeries) in In – McqOptions

MCQOPTIONS

1.	Ash content in the middling coal (a byproduct of coal washeries) in India ranges between __________ percent.
A.	15 to 25
B.	35 to 45
C.	55 to 75
D.	75
Answer» C. 55 to 75

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