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Mining Engineering · all questions

Mineral Dressing in Mining
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Which of the following is the approximate conversion factor for sieve size to projected diameter in microscopic procedure?

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What is the maximum feed size in secondary crusher?

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A separation dependent on optical and radioactive properties is called

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What advantage you will get if it is known that data obtained from the material usually yields a straight line point?

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Which of the following bacterium is used to enhance the rate of bacterial oxidation to liberating the occluded gold for subsequent removal by cyanide leaching?

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The path of a typical ball mill in a ball mill is

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The radiation absorbed by elements of low atomic number is lower than that absorbed by elements of high atomic number. This variation of absorption co-efficient with atomic number can be very well applied to

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The mill which accepts the lowest size of feed is

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When the particles of same or different specific gravity come to rest at different instants, the phenomenon is termed as

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The laser beam particle size analysis is suitably applicable for particle size measurement of

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In-situ are of 1.5% Cu got diluted with waste rock of value 0.2% Cu. If the resultant extracted ore has 1.2% Cu, what is the percentage of dilution?

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If the two particles have the same density but different diameter then which of the following is true?

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This is the method in which the particle size of the ore is progressively reduced until the clean particles of mineral can be separated?

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Which of the following properties are utilized in froth floatation?

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Which of the following equation can be used to determine the maximum size of rock gripped in relation to roll diameter and the reduction ratio required?

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A mineral processing plant treating almost 10,000 ton of ore per day requires water almost

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Which of the following property of frothing action is very useful in froth floatation technique?

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The general procedure for test sieving are comprehensively covered in

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Reduction ratio increases with

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One of the greatest problem lies in comminution is

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