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Mechanical Operations

Mechanical Operations
The main size reduction operation in ultrafine grinders is

Cutting
Attrition
Compression
Impact

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Mechanical Operations
For coarse reduction of hard solids, use

Impact
Compression
Cutting
Attrition

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Mechanical Operations
Fibrous material is broken by a

Squirrel-cage disintegrator
Rollcrusher
Ball mill
Tube mill

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Centrifugal filter
Coagulant
Pressure filter
Vacuum filter

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Mechanical Operations
Moisture can be removed from lubricating oil using

Sparkler filter
Vacuum leaf filter
Clarifier
Tubular centrifuge

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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.

Sedimentation
Clarification
Classification
Flocculation

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