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Mechanical Operations

Mechanical Operations
Mixing of plastic solids is generally facilitated by

None of these
Dispersion
Mastication
Kneading

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Mechanical Operations
Jigging is a technique by which different particles can be

Separated by particle size
Mixed
Separated by particle density
Separated by particle shape

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Mechanical Operations
For efficient grinding, ball mills must be operated

At a speed less than the critical speed
At a speed more than the critical speed
At a speed equal to the critical speed
With minimum possible small balls

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Mechanical Operations
Specific surface area is the surface area of a unit __________ of materials.

Either A or B
Neither A nor B
Volume
Weight

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Mechanical Operations
The unit of specific cake resistance is

Cm/gm
Gm/cm²
Cm/gm²
Gm/gm

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

Increases linearly
Increases
Remains constant
Decreases

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MORE MCQ ON Mechanical Operations

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