engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Strength of Materials Principal Stress or Strain Graphical Method of Analysis
Two dimensional state of stress at a point in a plane stressed element is represented by a Mohr’s circle of zero radius. The both principal stresses.
1
are of equal magnitudes and of opposite sign
2
are of equal magnitudes and of same sign
3
are of unequal magnitudes and of same sign
4
are of unequal magnitudes and of opposite sign