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Mechanical Operations

Mechanical Operations
200 mesh seive size corresponds to __________ microns.

24
74
154
200

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Mechanical Operations
To remove dirt from the flowing fluid, we use a

Gravity settler
Strains
Coagulant
Clarifier

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Mechanical Operations
The main size reduction operation in ultrafine grinders is

Attrition
Cutting
Compression
Impact

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Mechanical Operations
Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the

Differential wettability
Density separation
Volatile matter content
Size

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Mechanical Operations
Filtration of water in a paper mill is done by a/an __________ filter.

Vacuum leaf
Open sand
Sparkler
Plate and frame

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Mechanical Operations
Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills.

Metalliferrous ores
Non-metallic ores
Basic slags
Asbestos & mica

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