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Mechanical Operations

Mechanical Operations
__________ is the most suitable for compounding rubber and plastic solids.

Charge can mixer
Banbery mixer
Pan mixer
Pug mill

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Mechanical Operations
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.

25
10
50
75

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Mechanical Operations
Maximum size reduction in a ball mill is done by the, __________ action.

Cutting
Attrition
Compression
Impact

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Mechanical Operations
Tank filter (e.g., Nutsch filter) is

A high pressure filter
A leaf filter
A continuous filter
Used for small scale filtration work

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Mechanical Operations
Froth floatation is the most suitable for treating

Iron ores
None of these
Sulphide ores
Quartzite

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Mechanical Operations
The sphericity of a solid particle of cubical shape is

(π/6)1/3
(π/6)1/2
π/3
π

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