Q. __________ conveyor is the most suitable for long distance transportation of cold, non-abrasive granular/irregular shape/fine materials.

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Q. The specific cake resistance for compressible sludges is a function of the pressure drop

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Q. Moisture can be removed from lubricating oil using

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Q. Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

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Q. 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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Q. Electrical energy consumed by a jaw crusher is not a function of the

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Q. Size reduction mechanism used in Jaw crushers is

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Q. Trommels employ __________ for screening of materials.

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Q. Pick out the wrong statement.

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Q. Addition of filter aid to the slurry before filtration is done to ...... of the cake.

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Q. Which of the following terminology is not used for size reduction of materials to fine sizes or powders?

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Q. A tube mill as compared to a ball mill

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Q. Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is

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Q. The sphericity of a cylinder of 1 mm diameter and length 3 mm is

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Q. Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm.

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Q. What is the selectivity index, if the grade of tailings & concentrate is the same ?

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Q. The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a

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Q. Traces of solids are removed from, liquid in a

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Q. Out of the following size reduction equipments, the maximum feed size can be accepted by the

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Q. Bucket elevators are not suitable for the vertical lifting of __________ materials.

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