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Mechanical Operations

Mechanical Operations
Reciprocal of sphericity is termed as the

Sauter diameter
Specific surface ratio
Shape factor
Surface area per unit mass

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Mechanical Operations
In case of a revolving mill, wet grinding compared to dry grinding

None of these
Complicates handling & classification of the product
Has less capacity
Requires more energy

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Mechanical Operations
Which of the following clay mixing devices is vacuum operated for deairation of clay?

Pug mill
Banbery mixer
Muller-mixer
None of these

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Mechanical Operations
Diatomaceous earth is a/an

Explosive
Catalyst
Filter medium
Filter aid

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Mechanical Operations
Which of the following is a coarse crusher?

Tube mill
Smooth roll crusher
Gyratory crusher
Toothed roll crusher

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Mechanical Operations
The process by which fine solids is removed from liquids is termed as

Sedimentation
Flocculation
Classification
Decantation

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