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ISRO CE Quiz 2- Soil Mechanics & Foundation Engg.
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Question 1
During a sampling operation, the depth of penetration of sampling tube is 600 mm and the length of the sample within the tube is 525 mm. what is the recovery ratio of the sample?
Question 2
Which one of the following different types of submerged soils is susceptible to liquefaction under earthquake shocks?
Question 3
Match List-I (Unit) with List-II (Purpose) and select the correct answer using the codes given below the lists:
List-I
A). Graded filter
B). Lime treatment
C). Impervious clay core
D). Curtain grouting
List-II
1). To reduce seepage of water through boby of earth dam
2). To reduce water seepage through foundation below dam
3). To stabilize black cotton soils
4). To drain water without losing fines form the soil
List-I
A). Graded filter
B). Lime treatment
C). Impervious clay core
D). Curtain grouting
List-II
1). To reduce seepage of water through boby of earth dam
2). To reduce water seepage through foundation below dam
3). To stabilize black cotton soils
4). To drain water without losing fines form the soil
Question 4
For a sandy soil with grains spherical in shape and uniform in size, what is the theoretical void ratio
Question 5
A clay sample has a void ratio 0.54 in dry state. The specific gravity of soil solids is 2.7. What is the shrinkage limit of the soil?
Question 6
A soil deposit has three layers having same thickness each but the permeability’s of the layers are in the ratio of 1 : 2 : 4 from top to bottom. What is the ratio of average permeability in the horizontal direction to that in the vertical direction?
Question 7
The field density and field moisture content of a soil can be determined by
1). Core cutter method
2). Sand replacement method
3). Proctor compaction test
4). Modified proctor compaction test
1). Core cutter method
2). Sand replacement method
3). Proctor compaction test
4). Modified proctor compaction test
Question 8
Westergaard’s formula for vertical stress gives greater value of stress than that by the Bussinesq’s formula, when r/z exceeds
Question 9
Quick sand condition occurs when
Question 10
Which of the following statement is TRUE for the relation between discharge velocity and seepage velocity?
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