Consider the following statements: 1. Activity is a property typical of clay soils 2. An activity value of 7 in a clay soil is indicative of the presence of montmorillonite mineral 3. An activity value of 7 in a clay soil is indicative of the presence of illite mineral Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1 and 2 only


Explanation :
No Explanation available for this question

In a wet soil mass air, occupies one-fourth of its volume and water occupies one-half of its volume. The void ratio of this soil is:

1.  1

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

3


Explanation :
No Explanation available for this question

Which one of the following statements is correct

1.  Grain size is the primary criterion for classification of course, as well as fine-grained soil

2.  Grain size is the primary criterion for classification of coarse-grained soils

3.  Plasticity curve classifies coarse grained soils

4.  Plasticity characteristics relate to classification of coarse-grained soils

View Answer  
4
Correct Answer :

Grain size is the primary criterion for classification of coarse-grained soils


Explanation :
No Explanation available for this question

Consider the following statements: 1. A conspicuous break in the continuity of a grain size distribution curve indicates a mixture of soil from two different layers 2. A steep grain size distribution curve indicates prevalence of nearly uniform grain size 3. A flat grain size distribution curve indicates certain range of missing grain sizes. Which of these statements are correct

1.  1, 2 and 3

2.  2 and 3 only

3.  1 and 3 only

4.  1 and 2 only

View Answer  
4
Correct Answer :

1, 2 and 3


Explanation :
No Explanation available for this question

Consider the following statements: 1. Swelling is greater and shrinkage is less for clay compacted on the dry-side of optimum. 2. Clays compacted on the dry-side of optimum are characterized by larger strength. 3. An increase in organic content of clay soils causes an increase in optimum moisture content value. Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1, 2 and 3


Explanation :
No Explanation available for this question

Consider the following statements: 1. Quantity of seepage in each flow channel of a flow-net is independent of the size of field. 2. Drop in head between adjacent equipotential lines of a flow-net is dependent on upstream head. 3. With increase in the length of a flow path, the corresponding exit gradient will decrease. Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1 and 3 only


Explanation :
No Explanation available for this question

Consider the following statements: 1. Presence of moisture in sand does not affect the magnitude of friction angle. 2. Moisture introduces capillary effect in a sandy soil leading to apparent increase in angle of internal friction. 3. Moisture introduces capillary effect in a sandy soil leading to development of apparent cohesion. 4. The capillary film is broken by drying or submergence leading to loss in the apparent cohesion. Which of these statements are correct

1.  1, 2, 3 and 4

2.  2 and 3 only

3.  2 and 4 only

4.   3 and 4 only

View Answer  
4
Correct Answer :

3 and 4 only


Explanation :
No Explanation available for this question

Consider the following statements: 1. Cohesion-less soils experience relatively quicker compression under load. 2. Clays compacted dry of optimum compress more rapidly 3. Clays compacted wet of optimum consolidate more under low stress range Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1, 2 and 3


Explanation :
No Explanation available for this question

Consider the following statements: 1. The maximum possible over consolidation ratio of normally consolidated soil is unity. 2. The compressibility of a field deposit is slightly greater than that shown by a laboratory sample. 3. In Terzaghi’s theory of one- dimensional consolidation, only hydrodynamic lag is considered whereas plastic lag is ignored. Which of these statements are correct

1.  1, 2 and 3

2.  1 and 2 only

3.  1 and 3 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1, 2 and 3


Explanation :
No Explanation available for this question

Consider the following statements: 1. Brittle behavior of soils can be obtained when the soil is heavily over consolidated clay. 2. Remolded cohesive clays show a tendency towards progressive failure. 3. Undisturbed sensitive clays show a tendency towards progressive failure Which of these statements are correct

1.  1, 2 and 3

2.  1 and 3 only

3.  1 and 2 only

4.  2 and 3 only

View Answer  
4
Correct Answer :

1 and 3 only


Explanation :
No Explanation available for this question
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