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Mechanical Operations

Mechanical Operations
Separation of materials of the same density based on their sizes by using then-different rates of flow is called

Sorting
Flocculation
Elutriation
Sizing

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Mechanical Operations
Which of the following is not a non-metalliferous mineral?

Quartz
Cassiterrite
Calcite
Fluorspar

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

Increases
Decreases
Does not effect
None of these

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Mechanical Operations
Which of the following is a pressure filter?

Leaf filter (Moore filter)
Plate and flame filter
Rotary drum filter
Sand filter

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Mechanical Operations
Diatomaceous earth is a/an

Catalyst
Filter medium
Explosive
Filter aid

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Mechanical Operations
__________ centrifuge is the most suitable for separation of non-friable crystals.

Tubular bowl
Suspended batch basket
Perforated horizontal basket continuous
Disc-bowl

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