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This study was carried out to determine the effect of moisture content on some physical properties and mechanical behaviour under compression load of faba bean grains. Four levels of moisture content ranging from 9.89% to 25.08% d.b. (dry basis) was used. The average length, width, thickness, geometric mean diameter, unit mass of grain, sphericity, thousand grain mass and angle of repose ranged from 18.40 to 19.77mm, 12.54 to 13.66mm, 7.00 to 8.03mm, 11.68 to 13.01mm, 1.147 to 1.301g, 63.47% to 65.78%, 1140.15 to 1332.67g and 13.94° to 18.58° as the moisture content increased from 9.89% to 25.08% d.b., respectively. As the moisture content increased from 9.89% to 25.08% d.b., the bulk density was found to decrease from 419.59 to 381.60kg/m³, whereas the grain volume, true density, porosity and surface area were found to increase from 0.998 to 1.099cm³, 1151.33 to 1206.21kg/m³, 63.09 to 67 …