| In limit state method, the failure criterion for reinforced concrete beam and column is based on |
A) Maximum principle stress theory
B) Maximum principle strain theory
C) Maximum shear stress theory
D) Maximum normal stress theory
| Maximum strain energy theory of failure was postulated by |
A) Haigh
B) Rankine
C) Tresca
D) St. Venant
| Which of the following yield criteria are suitable for ductile and isotropic material ? 1. Maximum normal stress theory 2. Maximum shear stress theory 3. Maximum energy distortion theory 4. Maximum compressive theory |
A) 1 and 2
B) 2 and 3
C) 1, 2 and 3
D) 1, 2, 3 and 4
| According to the elastic failure theory which of the following statement(s) is/are correct? i. Failure in ductile materials is specified through yielding ii. Failure in brittle materials is specified through yielding iii. Failure in ductile materials is specified through fracture iv. Failure in brittle materials is specified through slipping |
A) Only (i)
B) (i) and (ii)
C) (ii) and (iii)
D) (iii) and (iv)
| For ductile materials the most appropriate failure theory is |
A) Maximum shear stress theory
B) Maximum principal stress theory
C) Maximum principal strain theory
D) Shear strain energy theory
| Which one of the following theories is suitable for brittle materials? |
A) Maximum Shear stress Theory
B) Maximum principal stress theory
C) Distortion energy theory
D) Strain Energy Theory
| Which one of the following is conservative failure theory for brittle material ? |
A) Maximum normal stress theory
B) Maximum shear theory
C) Coulomb-Mohr theory
D) St. Venant theory
| Which of the following failure theories assumes that failure by yielding occurs when energy used in changing the shape of the unit volume of a component is equal to the distortion energy per unit volume at the yield stress of a specimen subjected to simple tension or compression test? |
A) Von Mises theory
B) Tresca theory
C) St. Venant’s theory
D) Beltrami’s theory
| Which of the following failure theories assumes that failure by yielding of a material takes place when the maximum principal strain in the material subjected to principal stresses is equal to the strain at the yield point in a simple tension or compression test? |
A) Von Mises theory
B) Tresca theory
C) St. Venant’s theory
D) Beltrami’s theory
| Which of the following theories of failure represents its yield surface as a rectangular shape? |
A) Rankine Theory
B) St. Venant’s Theory
C) Tresca Theory
D) Beltrami’s Theory
