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Mechanical Operations

Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

None of these
Screw
Belt
Pneumatic

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

AD/V
D/V
A/V
√(AD/V)

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

Pressure filter
Centrifugal filter
Coagulant
Vacuum filter

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Mechanical Operations
Fibrous material is broken by a

Ball mill
Tube mill
Squirrel-cage disintegrator
Rollcrusher

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Mechanical Operations
__________ is a cohesive solid.

Wet clay
Wheat
None of these
Sand

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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
D
D2.5
1/D2.5

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