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Mechanical Operations

Mechanical Operations
Moore filter is a __________ filter.

Press
Rotary
Sand
Leaf

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Mechanical Operations
Percentage of drum submerged in the slurry in case of rotary drum filter is

30
3
25
85

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Mechanical Operations
increasing the capacity of a screen __________ the screen effectiveness.

Decreases
Increases
Does not effect
None of these

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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.

Ultrafine
Primary
Fine
Secondary

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Mechanical Operations
Colloid mills achieve size reduction mainly by

Cutting
Compression
Impact
Attrition

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Mechanical Operations
Size reduction of asbestos and mica is done by

Hammer mills
Rod mills
Crushing rolls
Gyratory crushers

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