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Mechanical Operations

Mechanical Operations
Gizzlies are used for separating __________ solids.

None of these
Coarse
Fine
Any size

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Mechanical Operations
__________ is the most commonly used 'filter aid'.

Fuller's earth
Vermiculite
Semi-plastic clay
Diatomaceous earth

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Mechanical Operations
Mass flow of granular solid (M) through a circular opening of dia, D follows

M ∝ D²
M ∝ √D
M ∝ D³
M ∝ D

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

None of these
Tabling
Panning
Spiralling

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Mechanical Operations
For separation of sugar solution from settled out mud, we use a __________ filter.

Rotary drum vaccum
Plate and frame
Centrifugal
Sparkler

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Mechanical Operations
The sphericity of a cylinder of 1 mm diameter and length 3 mm is

0.5
0.9
0.78
0.6

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