Question

Yield in pure shear occurs when ______

(a) 0.58 fy

(b) 1.58 fy

(c) 2.8 fy

(d) 3.5 fy

I had been asked this question during a job interview.

Asked question is from Plastic Design of Portal Frames, Effect of Axial and Shear force on Plastic Moment Capacity topic in chapter Plastic and Local Buckling Behaviour of Steel of Design of Steel Structures

Answer 1

Correct choice is (a) 0.58 fy

For explanation: Yield in pure shear occurs when τy = fy/√3 = 0.58 fy.