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Mechanical Operations

Mechanical Operations
Soft & non-abrasive materials can be made into fines by

Cutting
Compression
Attrition
None of these

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Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

0.5
√2
√3
1

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Mechanical Operations
Separation of materials into products based on the difference of their sizes is called

Sorting
Sizing
Classification
Flocculation

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Mechanical Operations
__________ centrifuge is normally used in sugar mills.

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

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Mechanical Operations
Trommels are revolving screens which normally operate in the range of __________ rpm.

60 - 75
43832
40 - 50
15 - 20

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Mechanical Operations
To get a fine talc powder from its granules, the equipment used is

Ball mill
Gyratory crusher
Roller crusher
Jaw crusher

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