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Mechanical Operations

Mechanical Operations
Maximum size reduction in a fluid energy mill is achieved by

Cutting
Impact
Compression
Interparticle attrition

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Mechanical Operations
A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream.

Strainer
Classifier
Clarifier
Thickener

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Mechanical Operations
The inlet pressure in a constant rate filtration

None of these
Decreases gradually
Remains constant
Increases continuously

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Mechanical Operations
The filtrate flow rate in constant pressure filtration

Continuously decreases
May increase or decrease ; depends on the pressure
Continuously increases
Remains constant throughout

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Mechanical Operations
General mechanism of size reduction in intermediate and fine grinder is by

Compression
Impact and attrition
Cutting action
Compression and tearing

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Mechanical Operations
Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called

Classification
Froth floatation
Thickening
Clarification

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