Chemical Engineering Mcqs

Critical Speed (Nc) of a ball mill is given by (where R1 and R2 are radii of ball mill and the ball respectively) ?

(A) Nc = (1/4π). √(g/R1 – R2)

(B) Nc = (1/2π). √(g/R1 – R2)

(C) Nc = (1/π). √(g/R1 – R2)

(D) Nc = (1/2π). √(R1 – R2/g)

Submitted By: Ali Uppal

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