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Mechanical Operations

Mechanical Operations
Cyclones are used primarily for separating

Solids
Liquids
Solids from fluids
Solids from solids

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Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

0.5
√3
√2
1

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Mechanical Operations
Cake resistance is

None of these
Decreased with the time of filtration
Important in the beginning of filtration
Independent of pressure drop

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Mechanical Operations
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

10 to 15°
1 to 2°
2 to 5°
5 to 10°

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Mechanical Operations
Dry powdery solid materials are transported by a __________ conveyor.

Screw
None of these
Bucket
Belt

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Mechanical Operations
Ball mill is used for

Crushing
Coarse grinding
Attrition
Fine grinding

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