Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?
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Mechanical Operations
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Traces of solids are removed from, liquid in a
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__________ mills are termed as disintegrators.
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Which of the following is not categorised as a "mechanical operation"?
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Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is
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Size measurement of ultrafine particles can be best expressed in terms of
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Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the
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In case of a plate and frame filter press, filtrate flow through the cake follows __________ flow.
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Screen capacity is not a function of
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In case of a hammer crusher, the
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Percentage of drum submerged in the slurry in case of rotary drum filter is
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In froth floatation, chemical agent added to cause air adherence is called
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In constant pressure filtration,
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Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.
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In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing).
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__________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.
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The process opposite to 'dispersion' is termed as the
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Size reduction does not occur due to compression in case of
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Mixing mechanism employed in a pan mixer is by
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During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration
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