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Mechanical Operations

Mechanical Operations
Handling of ashes and similar materials can be done best by a __________ conveyor.

Belt
Drag or slat
Ribbon
Flight

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Mechanical Operations
Which of the following is not a part of the Blake jaw crusher?

Check plates
Hanger
Toggles
Pitman

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

Sedimentation
Classification
Flocculation
Decantation

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Mechanical Operations
Crushing efficiency of a machine ranges between __________ percent.

0.1 to 2
20 to 25
5 to 10
50 to 70

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Mechanical Operations
Colloid mills achieve size reduction mainly by

Attrition
Compression
Impact
Cutting

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Mechanical Operations
In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the __________ crushing.

Fine
Primary
Ultrafine
Secondary

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