railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Principal Stress or Strain Graphical Method of Analysis
when the Mohr’s circle drawn for a certain stress state on a plane in a body, is tangential to the Y-axis, which of the following may be true?
1
both the bi-axial normal stresses are of equal magnitude but of same nature
2
shear stress on that plane is zero
3
both the bi-axial normal stresses are of equal magnitude but of opposite nature
4
one of the bi-axial normal stresses is zero