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Soil Mechanics and Foundation - Interview Questions and Answers

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91. Select the incorrect statement. Effective angle of shearing resistance
A. increases as the size of particles increases
B. increases as the soil gradation im-proves
C. is limited to a maximum value of 45�
D. is rarely more than 30� for fine grained soil
Explanation:
92. In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as
A. consolidated drained test
B. consolidated undrained test
C. unconsolidated drained test
D. unconsolidated undrained test
Explanation:
93. Which of the following types of soil is transported by gravitational forces ?
A. loess
B. talus
C. drift
D. dune sand
Explanation:
94. With the increase in the amount of compaction energy
A. optimum water content increases but maximum dry density decreases
B. optimum water content decreases but maximum dry density increases
C. both optimum water content and maximum dry density increase
D. both optimum water content and maximum dry density decrease[ES 93]
Explanation:
95. The maximum dry density upto which any soil can be compacted depends upon
A. moisture content only
B. amount of compaction energy only
C. both moisture content and amount of compaction energy
D. none of the above
Explanation:
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