# Consider the following statements regarding Coulomb’s theory of earth pressure: 1. It is based on wedge theory of earth pressure. 2. It assumes the wall surface to be rough. 3. It may or may not satisfy the static equilibrium condition occurring in nature. Which of these statements are correct

1.  1, 2 & 3

2.  1 & 2 only

3.  2 & 3 only

4.  1 & 3 only

4

1 & 2 only

Explanation :
No Explanation available for this question

# An isobar is a line which connects all points below the ground surface at which:

1.  The local ground elevation is same

2.  The settlement is same

3.  The vertical stress is the same

4.  The ground elevation is varying

4

The vertical stress is the same

Explanation :
No Explanation available for this question

# For the determination of shear strength parameters, c and , of soil in the laboratory, the test to be conducted will be:

1.  Tri-axial compression test

2.  Sieve analysis

3.  Compaction test

4.  Relative density test

4

Tri-axial compression test

Explanation :
No Explanation available for this question

# Consider the following statements: 1. For a saturated soil, Skempton’s B-parameter is nearly equal to unity. 2. For the un-disturbed sensitive clay, the stress-strain curve shows a peak. 3. Interlocking contributes significantly to the shearing strength in case of dense sand. Which of these statements are correct

1.  1, 2 & 3

2.  1 & 2 only

3.  2 & 3 only

4.  1 & 3 only

4

1, 2 & 3

Explanation :
No Explanation available for this question

# Consider the following statements: 1. Mathematically speaking, the time taken for 100% consolidation is infinite. 2. The time factor for a particular average degree of consolidation depends upon the distribution of initial excess hydrostatic pressure. 3. Secondary consolidation obeys Terzaghi’s one-dimensional theory of consolidation. Which of these statements are correct

1.  1, 2 & 3

2.  1 & 2 only

3.  2 & 3 only

4.  1 & 3 only

4

1 & 2 only

Explanation :
No Explanation available for this question

# Consider the following statements: 1. Organic matter decreases the permeability of a soil. 2. Entrapped air decreases the permeability of a soil. Which of these statements are correct

1.  1 only

2.  2 only

3.  Both 1 &2

4.  Neither 1 nor 2

4

Both 1 &2

Explanation :
No Explanation available for this question

# The porosity of a certain soil sample was found to be 80% and its specific gravity was 2:7; the critical hydraulic gradient will be estimated as:

1.  0.34

2.  0.92

3.  1.0

4.  1.5

4

0.34

Explanation :
No Explanation available for this question

# The porosity of a soil sample having its void ratio equal unity would be:

1.  33.33%

2.  50.0%

3.  66.66%

4.  75.0%

4

50.0\%

Explanation :
No Explanation available for this question

# The natural water content of the soil sample was found to be 40%, specific gravity is 2.7 and void ratio 1.2; then the degree of saturation of the soil will be:

1.  100%

2.  69%

3.  87%

4.  90%

4

90\%

Explanation :
No Explanation available for this question

# Environmental impact assessment includes:

1.  Environmental statement

2.  Environmental management plan

3.  Risk and hazard assessment and mitigation

4.   All of the above

4