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Mechanical Operations

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

Decantation
Sedimentation
Classification
Flocculation

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Mechanical Operations
Which of the following is a coarse crusher?

Gyratory crusher
Tube mill
Toothed roll crusher
Smooth roll crusher

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

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

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Mechanical Operations
__________ is a cohesive solid.

Sand
Wheat
Wet clay
None of these

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Mechanical Operations
Handling of ashes and similar materials can be done best by a __________ conveyor.

Belt
Drag or slat
Ribbon
Flight

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Mechanical Operations
Which of the following mineral dressing operations is termed as 'comminution'?

None of these
Spiralling
Tabling
Panning

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