Q. During size reduction by a jaw crusher, the energy consumed decreases with the

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Q. Which of the following can be most effectively used for clarification of lube oil and printing ink?

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Q. Ultracentrifuges running at speeds upto 100000 rpm is normally used for the

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Q. For classification of potable (drinking) water, we use a __________ filter.

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Q. Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor.

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Q. Additives used for promoting the floccula-tion of particles is a/an

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Q. In case of grinding in a ball mill

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Q. The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)

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Q. Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation.

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Q. In the cyclone separator used for separation of dust from dust laden gas, the gas

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Q. Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the

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Q. The material is crushed in a gyratory crusher by the action of

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Q. Cartridge filters are termed as 'edge' filters, because of the fact that the

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Q. Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size.

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Q. Cumulative analysis for determining surface is more precise than differential analysis, because of the

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Q. To remove very small amount of tiny solid impurities from liquid, we use a

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Q. Screw conveyors are

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Q. Fick's law relates to

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Q. __________ mill is normally used for grinding of talc.

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Q. Colloidal mills are used for __________ grinding.

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