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This mock test of Test: Unconfined Compression for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam.
This contains 5 Multiple Choice Questions for Civil Engineering (CE) Test: Unconfined Compression (mcq) to study with solutions a complete question bank.
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QUESTION: 1

In unconfined compression test the value of σ2 and σ3 is equal to____________

Solution:

The unconfined compression test is a special case of tri axial compression test in which σ2 =σ3 =0.

QUESTION: 2

The unconfined compression test is derived from_____________

Solution:

The unconfined compression test is a special case of tri axial compression test due to the absence of confining pressure, the uniaxial test is called the unconfined compression test.

QUESTION: 3

The unconfined compression test is generally applicable to____________

Solution:

In the equation σ1=2cu tan (45° + φu/2), for determining major principal stress, there are 2 unknowns cu and φu which cannot be determined by unconfined test. Therefore, the unconfined compression test is generally applicable to saturated clays for which the apparent angle of shearing resistance φu is zero.

QUESTION: 4

The unconfined compression test was first designed by_________

Solution:

In 1958, Goyal and Singh designed the first unconfined compression tester.

QUESTION: 5

In plastic failure, load corresponding to__________strain is arbitrarily taken as the failure load.

Solution:

In the plastic failure, no definite maximum load is indicated. In such a case, the load corresponding to 20 % strain is arbitrarily taken as the failure load.

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- Test: Unconfined Compression
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- Test: Triaxial Compression
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