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MECHANICAL OPERATIONS

Mechanical Operations
Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

None of these
Kick's law
Bond's law
Rittinger's law

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Mechanical Operations
Traces of solids are removed from, liquid in a

Clarifier
Rotary vacuum filter
Classifier
Sparkler filter

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Mechanical Operations
__________ mills are termed as disintegrators.

Compartment
Cage
Pebble
All of these

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Mechanical Operations
Which of the following is not categorised as a "mechanical operation"?

Size enlargement
Filtration
Humidification
Agitation

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

√3
√2
0.5
1

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