engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Strength of Materials Theory of Failure Maximum Shear Strain Energy Theory
The principal stresses developed at a point are +30, -30, 0 MPa. Using maximum shear strain energy theory, factor of safety obtained is √6 . What is yield stress of the material?
1
90√2 MPa
2
120 MPa
3
60√3 MPa
4
180 MPa