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Mechanical Operations

Mechanical Operations
To remove dirt from the flowing fluid, we use a

Gravity settler
Strains
Clarifier
Coagulant

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Sparkler
Plate and frame
Open sand
Vacuum leaf

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Mechanical Operations
The energy consumed by a ball mill depends on

The density of the material being ground
All of these
Its ball load
Its speed

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Mechanical Operations
Ultra centrifuges are used for the separation of __________ solid particles.

Fine
Coarse
Colloidal
Dissolved

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Mechanical Operations
Reduction ratio of crushers is the

Determining factor for minimum dia of the feed and the product
Ratio of discharge opening to feed opening
Ratio of feed opening to discharge opening
None of these

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Mechanical Operations
For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter.

Shell & leaf
Sand
Plate & frame
Rotary vacuum

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