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Mechanical Operations

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

M ∝ D³
M ∝ D
M ∝ D²
M ∝ √D

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

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

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Mechanical Operations
Stamp mills are generally used for crushing

Diamond
Talc
Gold ores
Iron ores

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Mechanical Operations
Shell and leaf filter as compared to plate and frame filter

Provides more effective washing
Facilitates filtration under higher pressure
Entails less labor cost
All of these

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Mechanical Operations
In paint industries, blending of light paste is done by using a

Charge can mixer
Kneader
Masticator
None of these

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Mechanical Operations
To produce talcum powder, use

Pin mill
Jet mill
Hammer mill
Ball mill

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