Chemical Engineering > GATE 2010 > Size Reduction
The critical speed (revolutions per unit time) of a ball mill of radius R, which uses balls of radius r, is
A
1/(2π)√(g/√Rr)
B
1/(2π)√(ρ/R)
C
1/(2π)√(g/r)
D
1/(2π)√(g/(R-r))

Correct : d

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critical speed ball mill GATE Chemical Engineering 2010 ball mill critical speed formula chemical engineering gate mill critical speed calculation ball mill rpm GATE 2010 chemical ball mill speed equation

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