EXAMIANS
Mesh indicates the number of holes per
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The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be
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A compressible cake has the
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Which of the following is a fine crusher?
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Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for
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As particle size is reduced
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For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.
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Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.
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Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a
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200 mesh screen means 200 openings per
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