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# Test: Mohr - Coulomb Failure Theory

## 5 Questions MCQ Test Soil Mechanics | Test: Mohr - Coulomb Failure Theory

Description
This mock test of Test: Mohr - Coulomb Failure Theory for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam. This contains 5 Multiple Choice Questions for Civil Engineering (CE) Test: Mohr - Coulomb Failure Theory (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Mohr - Coulomb Failure Theory quiz give you a good mix of easy questions and tough questions. Civil Engineering (CE) students definitely take this Test: Mohr - Coulomb Failure Theory exercise for a better result in the exam. You can find other Test: Mohr - Coulomb Failure Theory extra questions, long questions & short questions for Civil Engineering (CE) on EduRev as well by searching above.
QUESTION: 1

### The curve obtained by plotting the normal and shear stress is called as___________

Solution:

If the normal and shear stress corresponding to failure are plotted, then a curve is obtained .The plot or the curve is called the strength envelope.

QUESTION: 2

### Which of the following is coulomb’s strength equation?

Solution:

Coulomb defined the function F (σ) as a linear function of σ and gave the following strength equation:
S = c + σ tan φ.

QUESTION: 3

### The critical shear stress causing failure of material depends upon____________

Solution:

According to Mohr’s strength theory, the critical shear stress causing failure depends upon the properties of the materials as well as on normal stress on the failure plane.

QUESTION: 4

Theory of failure, was first proposed by____________

Solution:

The theory of failures was first expressed by coulomb in 1776 and later generalized by Mohr.

QUESTION: 5

The Mohr-Coulomb theory can be expressed algebraically by, which of the following equation.

Solution:

The Mohr-Coulomb failure theory can be expressed algebraically by the equation:τf = s = F (σ)
Where, τf = s=shear stress on failure plane, at failure=shear resistance of material
F (σ) = function of normal stress.