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Kick's law states that the energy required is proportional to

  • A.The mass of the feed
  • B.The logarithm of the size ratio
  • C.The new surface created
  • D.The reciprocal of the final size

Answer: B

It suits coarse crushing, where the work depends on the proportional reduction achieved rather than on the surface produced. Bond's law, using the square root of size, sits between Kick and Rittinger in its predictions.

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