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Mechanical Operations

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

30
85
25
3

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

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

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Mechanical Operations
General mechanism of size reduction in intermediate and fine grinder is by

Cutting action
Compression and tearing
Compression
Impact and attrition

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Mechanical Operations
__________ mixer is used for devulcanisation of rubber scrap & making water dispersion & rubber solution.

Rubbon blender
Muller
Banbery
Tumbler

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Vacuum filter
Centrifugal filter
Pressure filter
Coagulant

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Mechanical Operations
Size reduction of __________ is accomplished in steam heated rollers and roll crushers.

Resins
Hard rubber
Gums
Waxes

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