摘要: moisture range of 4–26% d.b., between 652 and 708 kg/m 3 for the seed, 1015 1057 kernel 636 760 hull. The bulk density decreased from 386 to 373 seeds 260 220 hulls increased 535 553 kernels. Porosity 41.2 47.1% in seeds, 47.2 47.7% kernels 59.2 70.1% Terminal velocity with content 2.8 5.5 m/s 1.8 3.8 1.1 1.9 Drag coefficient when varied 4.7 1.4 seed 12.5 3.1 kernel. Angle repose 25 46 � 35 55 49 66 hull on different surfaces resulted higher than seed. static friction was that also wood (with grain perpendicular direction motion) lower acrylic galvanised iron. This 0.23 0.50 0.37 0.69 0.31 0.60 All engineering properties evaluated showed a linear dependence content, leading simple accurate formulae, adequate predict their variation considered.