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Mechanical Operations

Mechanical Operations
The reduction ratio for fine grinders is

43961
As high as 100
20-40
44124

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Mechanical Operations
Maximum size reduction in a ball mill is done by the, __________ action.

Compression
Attrition
Cutting
Impact

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Mechanical Operations
Use of 'grinding aids' is done in __________ grinding.

Ultrafine
Wet
Dry
Intermediate

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Mechanical Operations
200 mesh screen means 200 openings per

Inch²
Inch
Cm²
Cm

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

Pug mill
Impact wheels
Banbery mixer
Kneader

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Mechanical Operations
In classification, particles are said to be equal settling, if they have the same terminal velocities in the

Different fluids
Same field of force
Same fluid
Both B and C

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