Q. The optimum moisture content in solids to be crushed/ground ranges from __________ percent.

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Q. Use of grinding aids results in the

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Q. A belt conveyor used for the transportation of materials can

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Q. Which of the following is not used as a surface active agent in a flocculation operation?

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Q. __________ mill is not a revolving mill.

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Q. For the transportation of ultrafine particles, the equipment used is a........conveyor.

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Q. Limestone is normally crushed in a

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Q. Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ).

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Q. Pick out the correct statement.

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Q. The main differentiation factor between tube mill and ball mill is the

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Q. Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.

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Q. Sphericity of raschig ring (whose length and diameter are equal) is

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Q. Mixing mechanism employed in a pan mixer is by

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Q. Chance process is used for the

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Q. Which of the following screens has the maximum capacity ?

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Q. Stamp mills are generally used for crushing

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Q. Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.

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Q. A filter press is

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Q. Xanthates are used in the froth floatation process as a/an

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Q. The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is

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