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Paddy separation, following hulling, divides

  • A.Bran from white rice
  • B.Broken rice from whole rice
  • C.Unhulled paddy from brown rice
  • D.Husk from brown rice

Answer: C

Correct answer: Unhulled paddy from brown rice

Hulling is never complete in one pass - a proportion of grains escape the rolls unhulled - so the discharge is a mixture of brown rice and paddy. The paddy separator divides the two, using their difference in density and surface texture on an oscillating tray or compartment separator, and returns the unhulled grains to the huller.

Separating them matters because paddy passing into the whitening machine would be abraded pointlessly, wearing the equipment and producing brokens. Bran removal is whitening's job, and broken separation is grading's.

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