Agricultural Engineering > GATE 2014 > Centrifugation
A centrifuge with rotational speed of 1440 rpm is used for separating oil from a dispersion in which oil is present in the form of spherical globules of 47 µm diameter. The density of oil is 886 kg m-3. Separation occurs at an effective radius of 4 cm. Viscosity and density of water are 0.705 cP and 1000 kg m–3, respectively. The velocity of oil through water, in mm s-1, is ___________.
Correct : 18
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