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Mechanical Operations

Mechanical Operations
The distribution given by microscopic analysis of powder is

Number
Area
Length
Volume

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Mechanical Operations
Mixing mechanism employed in a pan mixer is by

None of these
Dispersion
Kneading
Mulling

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Mechanical Operations
In a ball mill, the volume occupied by the balls (when the mill is stopped) is about __________ percent of the volume of the mill.

85
70
35
50

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Mechanical Operations
Highly viscous liquids & pastes are agitated by

Propellers
Turbine agitators
Multiple blade paddles
None of these

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Mechanical Operations
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.

Plane
Curved
Either A or B
Ribbed

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

Tabling
None of these
Spiralling
Panning

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