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Mechanical Operations

Mechanical Operations
The process opposite to 'dispersion' is termed as the

Flocculation
Sedimentation
Filtration
None of these

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Mechanical Operations
All resistances during washing of cake

Increases
None of these
Decreases
Remain constant

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Mechanical Operations
Dispersion of a gas through liquid is done by using a

Masticator
None of these
Kneader
Sparger

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Mechanical Operations
For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as

√d
D²
D
1/d

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Mechanical Operations
To get ultrafine particles, the equipment used is a

Rod mill
Hammer crusher
Ball mill
Fluid energy mill

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Attrition
Impact
Cutting
Compression

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