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Mechanical Operations

Mechanical Operations
Size reduction of __________ is accomplished in steam heated rollers and roll crushers.

Resins
Gums
Waxes
Hard rubber

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Mechanical Operations
__________ mills are termed as disintegrators.

Pebble
All of these
Cage
Compartment

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Mechanical Operations
Ultracentrifuges running at speeds upto 100000 rpm is normally used for the

Separation of isotopes based on their density or molecular weights difference
Concentration of rubber latex
Separation of cream from milk
Dewaxing of lubricating oil

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Cutting
Impact
Attrition
Compression

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

Bucket elevator
Apron conveyor
Screw colaveyor
Belt conveyor

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Mechanical Operations
200 mesh seive size corresponds to __________ microns.

200
74
24
154

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