एक पदार्थ का दृढ़ता मापांक (G) 0.4 × 105 N/mm2 और आयतन मापांक (K) 0.75 × 105 N/mm2 है। पदार्थ का पॉइज़न अनुपात (μ) क्या है?

Mohr's circle reduces to a point when an element is subjected to:

A steel column pinned at both ends has an Euler buckling load of 250 kN. If the column is restrained against lateral movement at its mid-height, its new buckling load will be:

What is the angle between the principal strain axis and the maximum shear strain axis in 2D strain analysis?