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Mechanical Operations

Mechanical Operations
__________ is a cohesive solid.

None of these
Wet clay
Wheat
Sand

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Mechanical Operations
Removal of activated carbon from glycerine is done by

Batch basket centrifuge
Rotary vacuum filter
Plate and frame filter
None of these

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Mechanical Operations
The most common filter aid is

Sodium carbonate
Calcium silicate
Diatomaceous earth
Silica gel

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Mechanical Operations
Fibrous material is broken by a

Ball mill
Rollcrusher
Tube mill
Squirrel-cage disintegrator

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Mechanical Operations
In closed circuit grinding as compared to open circuit grinding, the

Production rate at a given limiting size is lower
Specific surface of product is more
Operation is economical
Product has lesser size uniformity

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Mechanical Operations
Xanthates are used in the froth floatation process as a/an

Collector
Frother
Conditioner
Activator

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