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Mechanical Operations

Mechanical Operations
Pine oil used in froth floatation technique acts as a/an

Modifier
Collector
Activator
Frother

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Mechanical Operations
Stamp mills are generally used for crushing

Iron ores
Talc
Gold ores
Diamond

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Mechanical Operations
Moisture can be removed from lubricating oil using

Vacuum leaf filter
Sparkler filter
Tubular centrifuge
Clarifier

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Mechanical Operations
The process opposite to 'dispersion' is termed as the

None of these
Filtration
Flocculation
Sedimentation

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Mechanical Operations
In froth floatation, chemical agent added to cause air adherence is called

Frother
Collector
Activator
Modifier

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Mechanical Operations
The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be

1.34 Wi
0.5 Wi
3.34 Wi
Wi

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