In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm and 1 kg/cm respectively. The angle of internal friction of the sand will be nearly

In a direct shear test the shear stress and normal stress on a dry san

1.	In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm and 1 kg/cm respectively. The angle of internal friction of the sand will be nearly
A.	25°
B.	31°
C.	37°
D.	43°
Answer» C. 37°

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In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm and 1 kg/cm respectively. The angle of internal friction of the sand will be nearly

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