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

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

Density separation

Volatile matter content

Differential wettability

Size

Density separation

Volatile matter content

Differential wettability

Size

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Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Pressure filter

Centrifugal filter

Coagulant

Vacuum filter

Pressure filter

Centrifugal filter

Coagulant

Vacuum filter

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Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Impact

Cutting

Attrition

Compression

Impact

Cutting

Attrition

Compression

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Mechanical Operations
Removal of activated carbon from glycerine is done by

Rotary vacuum filter

None of these

Batch basket centrifuge

Plate and frame filter

Rotary vacuum filter

None of these

Batch basket centrifuge

Plate and frame filter

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Mechanical Operations
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Φs = 6 dp Sp/Vp

Φs = 6 Vp/dp sp

Φs = Vp/dp sp

Φs = dp Sp/Vp

Φs = 6 dp Sp/Vp

Φs = 6 Vp/dp sp

Φs = Vp/dp sp

Φs = dp Sp/Vp

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Mechanical Operations
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns.

5

5000

500

50

5

5000

500

50

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Mechanical Operations

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

Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a

Mechanical Operations The material is crushed in a gyratory crusher by the action of

Mechanical Operations Removal of activated carbon from glycerine is done by

Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Mechanical Operations For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns.

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

Mechanical Operations
To remove very small amount of tiny solid impurities from liquid, we use a

Mechanical Operations
The material is crushed in a gyratory crusher by the action of

Mechanical Operations
Removal of activated carbon from glycerine is done by

Mechanical Operations
If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by

Mechanical Operations
For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately __________ microns.