| 1. | For a sandy soil, the angle of internal friction is 30°. If the major principal stress is 50 kN/m² at failure, the corresponding minor principal stress will be ? | |
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12.2 kN/m²
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16.66 kN/m²
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20.8 kN/m²
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27.2 kN/m²
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Report Question| 2. | The specific gravity of a soil is the ratio of unit weight of soil solids to that of water at a temperature of ? | |
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4°C
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17° C
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27°C
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36°C
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| 3. | The degree of saturation for fully saturated soil is ? | |
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0.25
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0.50
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0.75
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1
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| 4. | The uniformity co-efficient of soil is defined as the ratio of ? | |
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D40 to D10
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D40 to D20
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D50 to D10
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D60 to D10
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| 5. | The unconfined compressive strength of a very soft clay is ? | |
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10 to 25 kN/m²
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25 to 150 kN/m²
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150 to 400 kN/m²
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above 400 kN/m²
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| 6. | When applying Darcy's law to soils, it is assumed that the ? | |
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soil is incompressible
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soil is homogeneous and isotropic
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flow conditions are laminar
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all of these
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| 7. | A dry sand specimen is put through a triaxial test. The cell pressure is 50 kPa and the deviation stress at failure is 100 kPa. The angle of internal friction for the sand specimen is ? | |
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15?
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30?
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35?
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40?
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| 8. | The unit bearing capacity of footing in sand ? | |
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decreases with depth of footing
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decreases with width of footing
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increases as well as decrease with depth of footing
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increases with width of footing angle of internal friction
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| 9. | According to Terzaghi's equation, the bearing capacity of strip footing resting on cohesive soil (c=10 kN/m²) per unit depth and unit width (assume N, as 5.7) is ? | |
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47 kN/m²
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57 kN/m²
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67 kN/m²
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77 kN/m²
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| 10. | The effective size of a soil is ? | |
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D10
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D20
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D40
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D60
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