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

Volume as the particle
None of these
Ratio of volume to surface as the particle
Ratio of surface to volume as the actual volume

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Mechanical Operations
Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them.

Jaw crusher, Ball mill, Fluid energy mill
Fluid energy mill, Ball mill, Jaw crusher
Ball mill, Jaw crusher, Fluid energy mill
Fluid energy mill, Jaw crusher, Ball mill

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