Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Separated from the cake by dissolving solids or by burning it off

Precoated on the filter medium prior to filtration

All of these

Added to the feed slurry

Separated from the cake by dissolving solids or by burning it off

Precoated on the filter medium prior to filtration

All of these

Added to the feed slurry

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Mechanical Operations
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Constant pressure

Constant rate

Varying rate

Varying pressure

Constant pressure

Constant rate

Varying rate

Varying pressure

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Mechanical Operations
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Slat or drag

Screw

Flight

Ribbon

Slat or drag

Screw

Flight

Ribbon

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Mechanical Operations
Bucket elevators are not suitable for the vertical lifting of __________ materials.

Sticky (e.g. clay paste)

Small lumpy (e.g. grains and sand)

Fine (e.g. - 200 mesh size coal)

Free flowing

Sticky (e.g. clay paste)

Small lumpy (e.g. grains and sand)

Fine (e.g. - 200 mesh size coal)

Free flowing

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Mechanical Operations
Equivalent diameter of a particle is the diameter of the sphere having the same

None of these

Ratio of surface to volume as the actual volume

Ratio of volume to surface as the particle

Volume as the particle

None of these

Ratio of surface to volume as the actual volume

Ratio of volume to surface as the particle

Volume as the particle

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Mechanical Operations
Which of the following gives the crushing energy required to create new surface ?

Fick's law

None of these

Rittinger's law

Taggarts rule

Fick's law

None of these

Rittinger's law

Taggarts rule

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Mechanical Operations

Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Mechanical Operations Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Mechanical Operations Bucket elevators are not suitable for the vertical lifting of __________ materials.

Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same

Mechanical Operations Which of the following gives the crushing energy required to create new surface ?

Mechanical Operations
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is

Mechanical Operations
Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration.

Mechanical Operations
Short distance transportation of grain, gravel, sand, ash, asphalt etc. is done by using a __________ conveyor.

Mechanical Operations
Bucket elevators are not suitable for the vertical lifting of __________ materials.

Mechanical Operations
Equivalent diameter of a particle is the diameter of the sphere having the same

Mechanical Operations
Which of the following gives the crushing energy required to create new surface ?