A plane inclined at an angle ? to the horizontal at which the soil is expected t

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Question
A plane inclined at an angle ? to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as
Options
A. natural slope line
B. repose line
C. the ? line
D. all the above.

Correct Answer

all the above.

Soil Mechanics and Foundation Engineering problems

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1. A triaxial shear test is prefered to direct shear test, because
Options
A. it can be performed under all three driange conditions with complete control
B. precise measurement of pore pressure and change in volume during test, is not posible
C. stress distribution on the failure plane, is non uniform
D. none of these.

5. Pick up the correct statement from the following:
Options
A. The range of water content between the liquid limit and plastic limit, is called plasticity index.
B. The ratio of the liquid limit minus the natural water content to the plasticity index of soils, is called consistency index
C. The ratio of natural water content minus its plastic limit to its plasticity index is called liquidity index
D. The ratio between plasticity index and flow index (i.e. slope of flow curve in case of liquid limit), is called toughness index
E. All the above.

6. Pick up the correct statement from the following:
Options
A. The permeability of the coarse-grained soils may be reduced by grouting.
B. The process of injecting fluids (i.e. grouts) into the pores space of the soil, is called grouting.
C. The grouting increases the soil strength.
D. All the above.

7. A suspended particle falls through a height H cm in water in t minutes. If the viscosity of water is ? and specific gravity of the particle is G, the diameter of the particle is (where M is a constant factor)
Options
A. 10³M
B. 10⁴M
C. 10⁵M
D. 10²M

8. The bearing capacity of a soil depends upon
Options
A. size of the particles
B. shape of the particles
C. cohesive properties of particles
D. internal frictional resistance of particles
E. all the above.

9. Pick up the correct statement from the following:
Options
A. When stress decreases, void, ratio decreases
B. When stress decreases, coefficient of permeability decreases
C. When stress decreases, coefficient of volume change decreases
D. When stress decreases void ratio, co-effi-cients of per-meability and volume change decrease.

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