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Mechanical Operations

Mechanical Operations
The process by which fine solids is removed from liquids is termed as

Classification
Flocculation
Sedimentation
Decantation

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

Sizing
Flocculation
Elutriation
Sorting

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Mechanical Operations
Limestone is normally crushed in a

Hammer crusher
Tube mill
Ball mill
Roll crusher

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

Sparger
Kneader
Masticator
None of these

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Mechanical Operations
Ultracentrifuges running at speeds upto 100000 rpm is normally used for the

Separation of isotopes based on their density or molecular weights difference
Concentration of rubber latex
Dewaxing of lubricating oil
Separation of cream from milk

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Mechanical Operations
The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is

√3
√2
1.5
2

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