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Calculate the overflow ratio, if the mass fraction in feed is 0.635 and fraction in overflow is 0.945, while in underflow is 0.285?

Calculate the overflow ratio, if the mass fraction in feed is 0.635 and fraction in overflow is 0.945, while in underflow is 0.285? Correct Answer 0.66

As D/F = Xf –Xd/Xd – Xb = (0.635 – 0.285)/ (0.945 – 0.285) = 0.66.

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