For a non-spherical particle, the sphericity

Mechanical Operations
For a non-spherical particle, the sphericity

Has the dimension of length

Is always less than 1

Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle

Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle

Has the dimension of length

Is always less than 1

Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle

Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle

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Mechanical Operations
Bond crushing law

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

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

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

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

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

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

Is less realistic in estimating the power requirements of commercial crushers

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Mechanical Operations
Width and speed of a conveyor belt depends upon the __________ of the material.

Bulk density

Both A & B

Lump size

Neither A nor B

Bulk density

Both A & B

Lump size

Neither A nor B

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Mechanical Operations
Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?

Screw conveyor

Flight conveyor

Both B and C

Bucket conveyor

Screw conveyor

Flight conveyor

Both B and C

Bucket conveyor

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Mechanical Operations
Filter medium resistance is that offered by the

Filter cloth and the embedded particle collectively

Embedded particles in the septum

Filter cloth

None of these

Filter cloth and the embedded particle collectively

Embedded particles in the septum

Filter cloth

None of these

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Mechanical Operations
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.

Vacuum

Plate & frame

Sand

Rotary

Vacuum

Plate & frame

Sand

Rotary

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Mechanical Operations

Mechanical Operations For a non-spherical particle, the sphericity

Mechanical Operations Bond crushing law

Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material.

Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?

Mechanical Operations Filter medium resistance is that offered by the

Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.

Mechanical Operations
For a non-spherical particle, the sphericity

Mechanical Operations
Bond crushing law

Mechanical Operations
Width and speed of a conveyor belt depends upon the __________ of the material.

Mechanical Operations
Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'?

Mechanical Operations
Filter medium resistance is that offered by the

Mechanical Operations
The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter.