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Mechanical Operations

Mechanical Operations
For the transportation of ultrafine particles, the equipment used is a........conveyor.

None of these
Belt
Pneumatic
Screw

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Mechanical Operations
Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about

10 to 15°
5 to 10°
1 to 2°
2 to 5°

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Mechanical Operations
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.

Rotary
Plate & frame
Vacuum
Sand

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Mechanical Operations
The reduction ratio for fine grinders is

43961
20-40
As high as 100
44124

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Mechanical Operations
Which of the following is not used as a surface active agent in a flocculation operation?

Quartz
Sodium silicate
Alumina
Lime

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Mechanical Operations
In case of a revolving mill, wet grinding compared to dry grinding

None of these
Has less capacity
Complicates handling & classification of the product
Requires more energy

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