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Mechanical Operations

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

None of these
Flocculation
Sedimentation
Filtration

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Mechanical Operations
Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the

Volatile matter content
Size
Differential wettability
Density separation

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Mechanical Operations
Filter medium resistance is important during the __________ of filtration.

Final stages
Early stages
Entire process
None of these

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Mechanical Operations
Solid particles of different densities are separated by

Cyclones
Sorting classifier
Thickness
Filters

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Mechanical Operations
Which of the following is a fine crusher?

Blake jaw crusher
Dodge jaw crusher
Toothed roll crusher
Gyratory crusher

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Mechanical Operations
Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher.

Gyratory
Toothed roll
Blake jaw
None of these

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