The principal stresses σ1, σ2 and σ3 at a point respectively are 80 MPa, 30 MPa and -40 MPa. The maximum shear stress is

The principal stresses σ1, σ2 and σ3 at a point respectively are 80 MPa, 30 MPa and -40 MPa. The maximum shear stress is

a) 25 MPa

b) 35 MPa

c) 55 MPa

d) 60 MPa

Strength of Materials MCQs Set-3