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Mechanical Operations

Mechanical Operations
With increase in drum speed, in a rotary drum filter, the filtration rate

Increases linearly
Is not affected
Increases
Decreases

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

Fluid energy mill
Rod mill
Ball mill
Hammer crusher

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Mechanical Operations
Filtration capacity of a rotary drum vacuum filter depends upon the

Cake thickness
Characteristics of the feed slurry
Neither A nor B
Both A & B

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Mechanical Operations
Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation.

Classification
Flocculation
Clarification
Sedimentation

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Mechanical Operations
The study on washability of coal is done by using the __________ technique.

Tabling
Heavy media separation
None of these
Elutriation

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Mechanical Operations
Solid particles of different densities are separated by

Thickness
Cyclones
Sorting classifier
Filters

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