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Mechanical Operations

Mechanical Operations
For transporting pasty material, one will use a/an

Screw colaveyor
Bucket elevator
Apron conveyor
Belt conveyor

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Mechanical Operations
Size reduction of fibrous materials like wood, asbestos, mica etc. is done by a disintegrator exemplified by the

Stamp mill
Bradford's breaker
Cage mill
Blake jaw crusher

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Mechanical Operations
Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation.

Flocculation
Sedimentation
Clarification
Classification

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Mechanical Operations
Cartridge filters are termed as 'edge' filters, because of the fact that the

Disks have very sharp edge
None of these
Solids are not deposited at the edge of the disk
Bulk of the solids are removed at the periphery of the disks

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

None of these
Flocculation
Jigging & tabling
Froth floatation

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

3 to 4
15 to 20
8 to 10
10 to 15

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