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Break rolls in a wheat mill are

  • A.Fluted and run at equal speed
  • B.Smooth and run at differential speed
  • C.Fluted, and run at differential speed
  • D.Smooth and run at equal speed

Answer: C

The flutes and the speed differential shear the kernel open and scrape endosperm from the bran without grinding the bran itself. Smooth rolls, which crush rather than shear, belong to the reduction passages downstream.

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