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Mechanical Operations

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

Decanters
Classifiers
Hydrocyclones
Thickeners

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Mechanical Operations
Which of the following must be stored in silos and not in open yard?

None of these
Sand
Coke breeze
High V.M. bituminous coal

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Mechanical Operations
Which of the following is the most suitable for handling fibrous and dense slurries?

Propeller agitator
Radial propeller agitator
Cone type agitator
Turbine agitator

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Mechanical Operations
The crushed material received for separation is called feed or

Middling
Heading
Concentrate
Tailing

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Mechanical Operations
Electrical energy consumed by a jaw crusher is not a function of the

Average product size
Machine capacity
Average feed size
None of these

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Mechanical Operations
The sphericity of a solid particle of cubical shape is

(π/6)1/3
π/3
π
(π/6)1/2

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