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CIL CE: Geotechnical Engineering Quiz 2

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Question 1

If the coefficient of active earth pressure is 1/3, then what is the value of the coefficient of pressive earth pressure?

Question 2

The specific gravity of a soil sample is 2.7 and its void ratio is 0.945. when it is fully saturated the moisture content of the soil will be

Question 3

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

Question 4

Statement (I): Clay exhibit more hygroscopicity than sands.
Statement (II): Clays are colloidal and consequently their specific surface is very high.

Question 5

Consider the following statements:
1). If the soil is not black in colour, it is unlikely to be a swelling soil.
2). The swelling pressure of a fine-grained soil depends on its initial water content and density.
3). The swelling pressure of a fine-grained soil depends on the nature of the pore fluid.
Which of these statements are correct?

Question 6

Match List-I with List-II and select the correct answer using the codes given below the lists:
A). Geophysical methods
D). Piston-type sampler
1). Primarily for cohesive soils
2). Clays and silts
3). Reconnaissance covering large area and large depth
4). Suitable for sandy soils

Question 7

Which of the following types of piles is likely to have the highest load capacity in compression?

Question 8

For a saturated cohesive soil, a triaxial test yields the angle of internal friction (φ) as zero. The conducted test is

Question 9

In case of governing equations for calculating wheel load stresses using Westergaard’s approach, the following statements are made.
I. Load stresses are inversely proportional to wheel load
II. Modulus of subgrade reaction is useful for load stress calculation

Question 10

When a retaining wall moves away from the back fill, the pressure exerted on the wall is termed as
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