Chemical Engineering :: Mechanical Operations
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Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.
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Equivalent diameter of a particle is the diameter of the sphere having the same
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If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by
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Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )
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Pick out the wrong statement.
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In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the
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For sizing of fine materials, the most suitable equipment is a
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Which of the following is not categorised as a "mechanical operation" ?
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Which of the following is a pressure filter ?
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Tabular bowl centrifuges as compared to disk bowl centrifuges
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A.
Recycled coarse material to the grinder by a classifier is termed as circulating load.
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B.
Wear and tear in wet crushing is more than that in dry crushing of materials.
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C.
Size enlargement (opposite of size reduction) is not a mechanical operation.
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D.
A 'dust catcher' is simply an enlargement in a pipeline which permits the solids to settle down due to reduction in velocity of the dust laden gas.
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