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Mechanical Operations

Mechanical Operations
Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is

√2
√3
1
0.5

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Mechanical Operations
To remove dirt from the flowing fluid, we use a

Coagulant
Clarifier
Gravity settler
Strains

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Mechanical Operations
Pick out the material having minimum Rittinger's number.

Quartz
Pyrite
Calcite
Galena

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Mechanical Operations
Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter.

Drying
Filtering
All of these
Washing

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Mechanical Operations
Which of the following crushing laws is most accurately applicable to the fine grinding of materials ?

None of these
Kick's law
Rittinger's law
Bond's crushing law

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Mechanical Operations
For achieving maximum capacity of the ball mill, the ball charge should be equal to about __________ percent of the ball mill volume.

25
50
10
75

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