Q. Which of the following relationships between co-efficinet of friction (μ) between rock & roll and a (half of the angle of nip) of the particle to be crushed is correct ?

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Q. Pick out the wrong statement pertaining to the roll crushers.

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Q. Which of the following is not an ultrafine grinder (colloid mill)?

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Q. In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the

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Q. For sizing of fine materials, the most suitable equipment is a

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Q. Which of the following is not categorised as a "mechanical operation" ?

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Q. Which of the following is a pressure filter ?

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Q. Tabular bowl centrifuges as compared to disk bowl centrifuges

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Q. Size reduction of __________ is accomplished in steam heated rollers and roll crushers.

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Q. The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the __________ of the belt.

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Q. Which of the following is not a part of the Blake jaw crusher?

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Q. If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the

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Q. Filter aid is used to

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Q. Which of the following mineral dressing operations is termed as 'comminution'?

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Q. The capacity of a pneumatic conveying system depends upon the

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Q. Pick out the wrong statement.

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Q. Gravity settling process is not involved in the working of a

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Q. Froth floatation is the most suitable for treating

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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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