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Mechanical Operations

Mechanical Operations
Mixing of plastic solids is generally facilitated by

Dispersion
None of these
Mastication
Kneading

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Mechanical Operations
Mass flow of granular solid (M) through a circular opening of dia, D follows

M ∝ D²
M ∝ √D
M ∝ D
M ∝ D³

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Mechanical Operations
Addition of filter aid to the slurry before filtration is done to ...... of the cake.

Decrease the porosity
Decrease the compressibility co-efficient
Increase the porosity
Increase the compressibility co-efficient

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Mechanical Operations
With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge

Decreases
Increases
Increases linearly
Remains constant

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Mechanical Operations
Mixing of light fine powder such as insecticides is done by

Impact wheels
Pug mill
Kneader
Banbery mixer

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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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