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Mechanical Operations

Mechanical Operations
A fluid energy mill is used for

Crushing
Cutting
Grinding
Ultra grinding

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Mechanical Operations
__________ centrifuge is normally used in sugar mills.

Disc-bowl
Perforated horizontal basket continuous
Tubular bowl
Suspended batch basket

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Mechanical Operations
Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding.

4.34
1.34
0.5
1

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Mechanical Operations
Ball mill is used for

Crushing
Coarse grinding
Fine grinding
Attrition

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Mechanical Operations
__________ mills are termed as impactors.

Rolling-compression
Hammer
None of these
Cage

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Mechanical Operations
__________ mill is not a revolving mill.

Cage
Compartment
Pebble
Tube

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