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Mechanical Operations

Mechanical Operations
Cyclones are used primarily for separating

Solids from fluids
Liquids
Solids
Solids from solids

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Mechanical Operations
Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle).

V/6D.S
S/V
V/D.S
6.V/D.S

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Mechanical Operations
__________ mill is normally used for grinding of talc.

Compartment
Pebble
Ring-roll
Tube

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Mechanical Operations
__________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products.

Attrition
Roller
Buhrstone
Pebble

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Mechanical Operations
The maximum slope of a belt conveyor can be

45°
15°
30°
60°

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

(π/6)1/3
π/3
(π/6)1/2
π

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