Question

The circle obtained from two dimensional stress system is known as ________

(a) Principal stress circle

(b) Mohr circle

(c) Shearing stress circle

(d) None of the mentioned

This question was addressed to me in an international level competition.

My question comes from Mohrs Stress Circle topic in division Shear Strength of Geotechnical Engineering I

Answer 1

The correct option is (b) Mohr circle

To elaborate: The circle drawn from two dimensional stress systems is known as Mohr’s circle of stress (Mohr, 1870).