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Mechanical Operations

Mechanical Operations
Separation of materials of the same density based on their sizes by using then-different rates of flow is called

Sizing
Sorting
Flocculation
Elutriation

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Mechanical Operations
Trommels employ __________ for screening of materials.

Punched plate
Woven wire screen
Fibrous cloth
None of these

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Mechanical Operations
__________ baffles are provided in ball mills.

Horizontal
Only two
None of these
No

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Mechanical Operations
The specific cake resistance for compressible sludges is a function of the pressure drop

None of these
Overall
Over cake
Over medium

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

Centrifugal filter
Vacuum filter
Coagulant
Pressure filter

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Mechanical Operations
Weber number is significant and is concerned with the

Suspension of solid in liquid
Solid-liquid mixing
Dispersion of liquid in liquid
Liquid-liquid mixing

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