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Mechanical Operations

Mechanical Operations
Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size.

0.2 to 0.8
100 to 250
5 to 25
50 to 100

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Mechanical Operations
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Flight
Ribbon
Screw
Slat or drag

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Mechanical Operations
Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines?

Rod mill
Compartment mill
Tube mill
Pebble mill

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Mechanical Operations
Colloid mills achieve size reduction mainly by

Impact
Cutting
Attrition
Compression

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Mechanical Operations
Grindability of a material does not depend upon its

Toughness
Size
Elasticity
Hardness

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Mechanical Operations
The process by which fine solids is removed from liquids is termed as

Flocculation
Decantation
Sedimentation
Classification

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