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Mechanical Operations

Mechanical Operations
200 mesh seive size corresponds to __________ microns.

24
200
74
154

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Mechanical Operations
Dust laden air can be purified using a

Gravity settler
Bag filter
Tubular centrifuge
Cyclone separator

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Mechanical Operations
Production rate __________ with increased fineness, with a given energy input to the size reduction machine.

Remains unchanged
Increases
Decreases
May increase or decrease; depends on the machine

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

Masticator
Charge can mixer
None of these
Kneader

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Mechanical Operations
Two particles are called to be equal settling, if they are having the same.

Size
None of these
Terminal velocities in the same fluid & in the same field of force
Specific gravity

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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.

Classifier
Thickener
Strainer
Clarifier

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