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The coal in the stockpile has a specific gravity of 1.5, a porosity of 45% and a volumetric water content of 14.5%. What is the

The coal in the stockpile has a specific gravity of 1.5, a porosity of 45% and a volumetric water content of 14.5%. What is the bulk unit weight of the coal stockpile? Use 9.8 kN/m3 for unit weight of water

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