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Mechanical Operations

Mechanical Operations
Mesh indicates the number of holes per

Square foot
Linear foot
Square inch
Linear inch

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Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

85
25
3
30

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Mechanical Operations
__________ centrifuge is the most suitable for separation of non-friable crystals.

Perforated horizontal basket continuous
Tubular bowl
Suspended batch basket
Disc-bowl

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Mechanical Operations
In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the

Washing time only
Filtration time only
Square of the viscosity
Square root of the velocity

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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.

Sand
Shell & leaf
Plate & frame
Rotary vacuum

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Mechanical Operations
During agitation of liquids, power consumption during laminar flow is not proportional to the

Density of the liquid
Viscosity of the liquid
Square of rotational speed
Cube of impeller diameters

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