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Mechanical Operations

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

Humidification
Agitation
Filtration
Size enlargement

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Mechanical Operations
Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher?

Gyratory crusher
Ball mill
Fluid energy mill
Rod mill

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Mechanical Operations
Screen capacity is expressed in terms of

Both A & B
Tons/hr-ft²
Tons/ft²
Tons/hr

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Mechanical Operations
The unit of specific cake resistance is

Gm/gm
Gm/cm²
Cm/gm
Cm/gm²

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Mechanical Operations
Chance process is used for the

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

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Mechanical Operations
Equivalent diameter of a particle is the diameter of the sphere having the same

Ratio of volume to surface as the particle
None of these
Ratio of surface to volume as the actual volume
Volume as the particle

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