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Mechanical Operations

Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

1
√3
√2
0.5

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Mechanical Operations
Mixing of plastic solids is generally facilitated by

Dispersion
Mastication
None of these
Kneading

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Mechanical Operations
Trommels employ __________ for screening of materials.

Woven wire screen
Punched plate
None of these
Fibrous cloth

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Mechanical Operations
Solid particles separation based on the difference in their flow velocities through fluids is termed as the

Elutriation
Sedimentation
Clarification
Classification

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Mechanical Operations
__________ conveyors are also called scrapers.

Both B & C
Screw
Apron
Helical flight

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Mechanical Operations
In a roll crusher, both the rolls

Are rotated towards each other
Run either at the same or different speeds
All of these
Have the same diameter

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