Q. Two particles are called to be equal settling, if they are having the same.

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Q. Which of the following is the most suitable for handling fibrous and dense slurries ?

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Q. __________ centrifuge is normally used in sugar mills.

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Q. Solid particles separation based on the difference in their flow velocities through fluids is termed as the

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Q. Diatomaceous earth is a/an

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Q. Filtration of water in a paper mill is done by a/an __________ filter.

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Q. Moore filter is a __________ filter.

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Q. Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

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Q. Ball mill is used for

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Q. In case of a ball mill,

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Q. The operating speed of a ball mill should be __________ the critical speed.

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Q. Use of baffles in agitators help in minimising the __________ tendency.

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Q. __________ are used for the separation of coarse particles from a slurry of fine particles.

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Q. Fibrous material is broken by a

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Q. __________ is the most suitable for compounding rubber and plastic solids.

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Q. The controlling resistance in a rotary drum vacuum filter is the __________ resistance.

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Q. Which of the following is used for primary crushing of very hard lumpy materials ?

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Q. Coal is finally pulverised to 200 mesh size for burning in boilers by a

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Q. Crushing efficiency is the ratio of the

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Q. The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size )

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