If L and B are the length and breadth of a footing, e the eccentricity along the

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If L and B are the length and breadth of a footing, e the eccentricity along the length and P and Q are the axial force and bearing capacity of the soil, then, to avoid tension,
Options
A.
B.
C.
D.

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Soil Mechanics and Foundation Engineering problems

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1. For determining the moisture content of a soil sample, the following data is available Weight of container = 260 g, Weight of soil sample and = 320 g container, Weight of soil sample (dried) and = 310 g container. The moisture content of the soil sample, is
Options
A. 15%
B. 18%
C. 20%
D. 25%

2. If the specific gravity of a soil particle of 0.05 cm diameter is 2.67, its terminal velocity while settling in distilled water of viscosity, 0.01 poise, is
Options
A. 0.2200 cm/sec
B. 0.2225 cm/sec
C. 0.2250 cm/sec
D. 0.2275 cm/sec
E. 0.2300 cm/sec

3. Determination of water content of a soil sample suspected to contain gypsum is made by drying the sample for longer period at a temperature not more than
Options
A. 60�C
B. 80�C
C. 100�C
D. 110�C

6. The direct shear test suffers from the following disadvantage:
Options
A. Drain condition cannot be controlled
B. Pore water pressure cannot be measured
C. Shear stress on the failure plane is not uniform.
D. The area under the shear and vertical loads does not remain constant throughout the test
E. All the above.

7. The critical exist gradient of seepage water in soils, is
Options
A. directly proportional to the voids ratio
B. inversely proportional to the specific gravity
C. directly proportional to the specific gravity
D. inversely proportional to the voids ratio
E. none of these.

10. A phreatic line is defined as the line within a dam section below which there are
Options
A. positive equipotential lines
B. positive hydrostatic pressure
C. negative hydrostatic pressure
D. negative equipotential lines
E. none of these.

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