Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

Mechanical Operations
Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

None of these

Bond's law

Rittinger's law

Kick's law

None of these

Bond's law

Rittinger's law

Kick's law

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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

Metalliferrous ores

Non-metallic ores

Basic slags

Asbestos & mica

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Mechanical Operations
Bond crushing law

Calls for relatively less energy for the smaller product particles, than does the Rittinger law

States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product

Is less realistic in estimating the power requirements of commercial crushers

States that the work required for the crushing is proportional to the new surface created

Calls for relatively less energy for the smaller product particles, than does the Rittinger law

States that the work required to form particle of any size from very large feed is proportional to the square root of the volume to surface ratio of the product

Is less realistic in estimating the power requirements of commercial crushers

States that the work required for the crushing is proportional to the new surface created

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Mechanical Operations
Dispersion of a gas through liquid is done by using a

Sparger

None of these

Masticator

Kneader

Sparger

None of these

Masticator

Kneader

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Mechanical Operations
Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called

Clarification

Froth floatation

Classification

Thickening

Clarification

Froth floatation

Classification

Thickening

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Mechanical Operations
Coal is finally pulverised to 200 mesh size for burning in boilers by a

Ball mill

Roll crusher

Gyratory crusher

Hammer crusher

Ball mill

Roll crusher

Gyratory crusher

Hammer crusher

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Mechanical Operations

Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

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

Mechanical Operations Bond crushing law

Mechanical Operations Dispersion of a gas through liquid is done by using a

Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called

Mechanical Operations Coal is finally pulverised to 200 mesh size for burning in boilers by a

Mechanical Operations
Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ?

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

Mechanical Operations
Bond crushing law

Mechanical Operations
Dispersion of a gas through liquid is done by using a

Mechanical Operations
Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called

Mechanical Operations
Coal is finally pulverised to 200 mesh size for burning in boilers by a