Soil Mechanics and Foundation - Interview Questions | Exam2Win

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76. Coefficient of compressibility is

A. constant for any type of soil

B. different for different types of soils and also different for a soil under different states of consolidation

C. different for different types of soils but same for a soil under different states of consolidation

D. independent of type of soil but depends on the stress history of soil

Explanation:

77. Direct measurement of permeability of the specimen at any stage of loading can be made

A. only in fixed ring type consolido-meter

B. only in floating ring type consolido-meter

C. both (a) and (b)

D. none of the above

Explanation:

78. Within the consolidation process of a saturated clay

A. a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant

B. a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant

C. both neutral pressure and effective pressure decrease

D. both neutral pressure and effective pressure increase

Explanation:

79. Coefficient of consolidation for clays normally

A. decreases with increase in liquid limit

B. increases with increase in liquid limit

C. first increases and then decreases with increase in liquid limit

D. remains constant at all liquid limits

Explanation:

80. Which of the following methods is more suitable for the determination of permeability of clayey soil ?

A. constant head method

B. falling head method

C. horizontal permeability test

D. none of the above

Explanation: