UPSC Civil Service Exam Questions - Engineering

Q1:

The state of stress at a point in a stressed element is shown in the given figure. The maximum tensile stress in the element will be

A 20 N/mm2

B
lO2 N/mm2

C 10 N/mm2

D zero

ANS:A - 20 N/mm2

Answer C is correct.
In pure shear stress normal stress = +/_ shear stress.