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Mechanical Operations

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

0.5
√2
1
√3

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Mechanical Operations
Screen capacity is proportional to (where, S = screen aperture)

S
1/S
√S
S²

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Mechanical Operations
Which of the following is a vacuum filter?

Filter press
Batch basket centrifuge
Rotary disc filter
Tank filter (Nutsch filter)

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Mechanical Operations
Which of the following mineral dressing operations is termed as 'comminution'?

Spiralling
Panning
None of these
Tabling

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Mechanical Operations
__________ mills fall in the category of tumbling mills,

Compartment
Rod and tube
All of these
Ball and pebble

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Open sand
Vacuum leaf
Sparkler
Plate and frame

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