Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for

Mechanical Operations
Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for

American standard screens (ASTM and Tyler standard screens)

British standard screens

German standard screens (DIN 1171) etc

All of these

American standard screens (ASTM and Tyler standard screens)

British standard screens

German standard screens (DIN 1171) etc

All of these

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Mechanical Operations
General mechanism of size reduction in intermediate and fine grinder is by

Compression and tearing

Impact and attrition

Cutting action

Compression

Compression and tearing

Impact and attrition

Cutting action

Compression

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Mechanical Operations
Use of grinding aids results in the

Both A & B

Neither A nor B

Enhanced production rate

Finer products

Both A & B

Neither A nor B

Enhanced production rate

Finer products

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Mechanical Operations
Separation of solid particles based on their densities is called

Sizing

Dispersion

Sorting

Clarification

Sizing

Dispersion

Sorting

Clarification

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Mechanical Operations
Filtration should be stopped in a filter press, if the

Liquor stops flowing out to the discharge

Filtration pressure rises suddenly

Cake becomes very dense

Both A & B

Liquor stops flowing out to the discharge

Filtration pressure rises suddenly

Cake becomes very dense

Both A & B

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Mechanical Operations
A belt conveyor used for the transportation of materials can

Travel at a speed upto 300 metres/minute

Run upto 1 km

Handle materials upto 5000 tons/hr

All of these

Travel at a speed upto 300 metres/minute

Run upto 1 km

Handle materials upto 5000 tons/hr

All of these

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Mechanical Operations

Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for

Mechanical Operations General mechanism of size reduction in intermediate and fine grinder is by

Mechanical Operations Use of grinding aids results in the

Mechanical Operations Separation of solid particles based on their densities is called

Mechanical Operations Filtration should be stopped in a filter press, if the

Mechanical Operations A belt conveyor used for the transportation of materials can

Mechanical Operations
Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for

Mechanical Operations
General mechanism of size reduction in intermediate and fine grinder is by

Mechanical Operations
Use of grinding aids results in the

Mechanical Operations
Separation of solid particles based on their densities is called

Mechanical Operations
Filtration should be stopped in a filter press, if the

Mechanical Operations
A belt conveyor used for the transportation of materials can