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Mechanical Operations

Mechanical Operations
Ore concentration by jigging is based on the difference in the __________ of the particles.

Shape
None of these
Specific gravities
Wettability

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Mechanical Operations
There is practically no alternative/competitor to __________ in the beneficiation treatment of sulphide ores.

Jigging
Classification
Froth floatation
Tabling

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Mechanical Operations
Which of the following is a fine crusher?

Blake jaw crusher
Dodge jaw crusher
Gyratory crusher
Toothed roll crusher

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Mechanical Operations
Which of the following conveyors cannot be recommended for transportation of abrasive materials?

Chain conveyor
Belt conveyor
Apron conveyor
Flight conveyor

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Mechanical Operations
200 mesh screen means 200 openings per

Inch²
Inch
Cm
Cm²

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Mechanical Operations
The distribution given by microscopic analysis of powder is

Length
Number
Area
Volume

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