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The safe storage moisture content of a cereal grain is determined principally by

  • A.Moulds cannot grow below it
  • B.The bulk density of the grain
  • C.The angle of repose
  • D.The grain's terminal velocity

Answer: A

Moulds need an equilibrium relative humidity above about 65 to 70 per cent, and the sorption isotherm converts that into a moisture content for each grain. That is why safe moisture differs between wheat, paddy and oilseeds even in the same store.

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