Test: Shear Strength Of Cohesive Soil - Civil Engineering (CE) MCQ

# Test: Shear Strength Of Cohesive Soil - Civil Engineering (CE) MCQ

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## 10 Questions MCQ Test Soil Mechanics - Test: Shear Strength Of Cohesive Soil

Test: Shear Strength Of Cohesive Soil for Civil Engineering (CE) 2024 is part of Soil Mechanics preparation. The Test: Shear Strength Of Cohesive Soil questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Shear Strength Of Cohesive Soil MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Shear Strength Of Cohesive Soil below.
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Test: Shear Strength Of Cohesive Soil - Question 1

### The un-drained test is carried out on sample of clay, silt, and peat to determine_____________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 1

The un-drained test is carried out on undisturbed sample of clay, silt and peat to determine the strength of the natural ground and also carried out on remoulded samples of clay to measure it its sensitivity.

Test: Shear Strength Of Cohesive Soil - Question 2

### In an un-drained test on saturated clays, both σ1’ and σ3’ is independent of____________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 2

In an un-drained test on saturated clays (B=1), both the major principal effective stress σ1’ and the minor principal effective stress σ3’ are independent of magnitude of cell pressure applied.

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Test: Shear Strength Of Cohesive Soil - Question 3

### The consolidated-un drained test can be performed in___________methods.

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 3

The consolidated-undrained tests are performed by two methods: i) the remoulded specimens are sheared under a cell pressure ii) the moulded specimens are consolidated under the same cell pressure and sheared with different cell pressure.

Test: Shear Strength Of Cohesive Soil - Question 4

Which of the following cannot be obtained by using un-drained test?

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 4

Since only one Mohr circle in terms of effective stresses, is obtained from all un-drained tests, effective stress failure envelope cannot be obtained from this test.

Test: Shear Strength Of Cohesive Soil - Question 5

The change in the pore pressure during an un-drained shear can be explained by___________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 5

The change in the pore pressure due to change in the applied stress, during an un-drained, any be explained in terms of empirical coefficients called pore pressure parameters.

Test: Shear Strength Of Cohesive Soil - Question 6

Factor affecting pore pressure parameters is___________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 6

Type of shear, sample disturbance, and environment during shear such as temperature and nature of the fluid are the factors that affect pore pressure parameter.

Test: Shear Strength Of Cohesive Soil - Question 7

The value of pore pressure parameter, at failure for saturated clay is__________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 7

The approximate value of pore pressure parameter at failure for very loose, fine saturated sand, saturated clays is 2 to 3.

Test: Shear Strength Of Cohesive Soil - Question 8

Negative pore pressure in clay or sand is developed due to__________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 8

A negative pore pressure is developed when we apply load on a sample of clay or sand because both sand and clay tends to expand on loading.

Test: Shear Strength Of Cohesive Soil - Question 9

If the pore pressure is measured during un-drained stage of the test, the result can be expressed in terms of__________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 9

Both effective parameters C’ and φ’ can be expressed when pore pressure is measured during un-drained stage of the test.

Test: Shear Strength Of Cohesive Soil - Question 10

The equation for the unconsolidated un drainage strength of clay is__________

Detailed Solution for Test: Shear Strength Of Cohesive Soil - Question 10

The equation for consolidated undrained strength of the preconsolidated clay in terms of total stress can be approximately expressed as τf = ccu + σ tan φcu where, σ is the normal pressure.

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