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MECHANICAL OPERATIONS

Mechanical Operations
Additives used for promoting the floccula-tion of particles is a/an

Electrolyte
Surface active agent
Both A & B
Neither A nor B

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Mechanical Operations
Separation of solid particles based on their densities is called

Sorting
Dispersion
Sizing
Clarification

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

π
(π/6)1/3
(π/6)1/2
π/3

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Rotary drum vaccum
Centrifugal
Plate and frame
Sparkler

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Mechanical Operations
Energy consumption in a crusher decreases with increase in the

Capacity of the crushing machine
Size of the product (at constant feed size)
All of these
Size of feed (at constant reduction ratio)

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