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Mechanical Operations

Mechanical Operations
To remove dirt from the flowing fluid, we use a

Clarifier
Strains
Gravity settler
Coagulant

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Mechanical Operations
Shape factor for a cylinder whose length equals its diameter is

1.5
0.5
2.0
1.0

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Mechanical Operations
__________ are mixed using ribbon blenders.

Lumpy solids and low viscosity liquids
Dry powders
Thick pastes
High viscosity liquids

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Mechanical Operations
During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration

At time zero
At the end of filtration, but decreases with time subsequently
When half the filtrate has been obtained
At the end of filtration

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Mechanical Operations
The most suitable equipment for the transportation of 200 mesh size particles is a

Pneumatic conveyor
Belt conveyor
Bucket elevator
Screw conveyor

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Mechanical Operations
Wet grinding in a revolving mill __________ as compared to dry grinding.

Requires more energy
Increases capacity
Gives less wear on chamber walls
Complicates handling of the product

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