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Mechanical Operations

Mechanical Operations
Traces of solids are removed from, liquid in a

Rotary vacuum filter
Classifier
Clarifier
Sparkler filter

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Mechanical Operations
Hot, lumpy & abrasive materials are best transported by using a/an __________ conveyor.

Apron
Screw
Belt
Flight

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Mechanical Operations
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns.

500
50
5
5000

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Mechanical Operations
Specific surface area is the surface area of a unit __________ of materials.

Weight
Volume
Either A or B
Neither A nor B

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Mechanical Operations
For benefication of iron ore, the most commonly used method is

Flocculation
Froth floatation
None of these
Jigging & tabling

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Mechanical Operations
200 mesh screen means 200 openings per

Cm
Inch
Inch²
Cm²

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