railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Stress and Strain
Pick the incorrect statement.
1
On a principal plane, only normal stress acts.
2
Isotropic state of stress is independent of frame of reference.
3
On the plane which carries maximum shear stress, the normal stress is zero.
4
On the plane which carries maximum normal stress, the shear stress is zero.