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Mechanical Operations

Mechanical Operations
Size reduction mechanism used in Jaw crushers is

Attrition
Cutting
Impact
Compression

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Mechanical Operations
Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is

0.1 to 0.3
0.2 to 0.8
0.2 to 0.4
0.01 to 0.1

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

2.0
0.5
1.5
1.0

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Mechanical Operations
__________ are mixed using ribbon blenders.

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

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Mechanical Operations
Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is

>100
>10

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Mechanical Operations
For transporting pasty material, one will use a/an

Belt conveyor
Apron conveyor
Bucket elevator
Screw colaveyor

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