Soil Mechanics and Foundation - Interview Questions | Exam2Win

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101. Select the incorrect statement.

A. In a direct shear box test, the plane of shear failure is predetermined.

B. Better control is achieved on the drainage of the soil in a triaxial com-pression test.

C. Stress distribution on the failure plane in the case of triaxial compression test is uniform.

D. Unconfined compression test can be carried out on all types of soils.

Explanation:

102. During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure increases from 0.07 N/mm2 to 0.15 "N/mm2. Skempton's pore pressure parameter B is

A. 0.5

B. -0.5

C. 2.0

D. - 2.0

Explanation:

103. Coarse grained soils are best compacted by a

A. drum roller

B. rubber tyred roller

C. sheep's foot roller

D. vibratory roller

Explanation:

104. Relative density of a compacted dense sand is approximately equal to

A. 0.4

B. 0.6

C. 0.95

D. 1.20

Explanation:

105. A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is

A. 10 mm

B. 20 mm

C. 40 mm

D. none of the above

Explanation:

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