EXAMIANS
Optimum ratio of operating speed to critical speed of a trommel is
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The specific surface of sherical particles is proportional to (where, Dp = diameter of particle).
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Highly viscous liquids & pastes are agitated by
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A compressible cake has the
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Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding.
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Ultracentrifuges running at speeds upto 100000 rpm is normally used for the
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Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles)
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Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?
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The specific cake resistance for compressible sludges is a function of the pressure drop
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A pebble mill
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