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Mechanical Operations

Mechanical Operations
Mixing of light fine powder such as insecticides is done by

Kneader
Pug mill
Banbery mixer
Impact wheels

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Mechanical Operations
For coarse reduction of hard solids, use

Cutting
Compression
Attrition
Impact

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Mechanical Operations
The sphericity of a cylinder of 1 mm diameter and length 3 mm is

0.5
0.6
0.78
0.9

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Mechanical Operations
__________ is used for producing a thick suspension from a thin slurry.

Rotary drum vacuum filter
Pressure filter thickener
Cartridge filter
Plate and frame filter press

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Mechanical Operations
For crushing of solids, the Rittinger's law states that the work required for crushing is proportional to

The change in volume due to crushing
None of these
The size reduction ratio
The new surface created

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Mechanical Operations
Which of the following is a fine crusher?

Dodge jaw crusher
Gyratory crusher
Blake jaw crusher
Toothed roll crusher

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