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Mechanical Operations

Mechanical Operations
__________ are used for the separation of coarse particles from a slurry of fine particles.

Thickeners
Classifiers
Decanters
Hydrocyclones

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Mechanical Operations
For spheres, the specific surface shape factor is given by

√(AD/V)
AD/V
A/V
D/V

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Mechanical Operations
Which of the following is not categorised as a "mechanical operation"?

Size enlargement
Humidification
Agitation
Filtration

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Mechanical Operations
Which of the follwoing mechanical conveyors does not come under the division 'scrapers'?

Ribbon conveyor
Flight conveyor
Bucket elevators
Drag conveyor

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Mechanical Operations
Chance process is used for the

Concentration of iron ore
Water treatment
Cleaning of coal
Concentration of pyrites

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Mechanical Operations
Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the

All of these
State or manner of application of the crushing force
Elastic constant of the material
Ultimate strength of the material

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