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Mechanical Operations

Mechanical Operations
Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill )

1/D
D2.5
D
1/D2.5

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Mechanical Operations
__________ is used for producing a thick suspension from a thin slurry.

Plate and frame filter press
Pressure filter thickener
Rotary drum vacuum filter
Cartridge filter

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Coagulant
Vacuum filter
Centrifugal filter
Pressure filter

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Mechanical Operations
The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)

3.6 A.V.ρ
3.6 AVS.ρ
3.6 A.S. ρ
3.6 AVS/ρ

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Mechanical Operations
In paint industries, blending of light paste is done by using a

None of these
Kneader
Masticator
Charge can mixer

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Mechanical Operations
The energy consumed by a ball mill depends on

Its ball load
All of these
Its speed
The density of the material being ground

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