railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Torsion of Shaft Effect on Shaft
Consider the following assumptions for pure bending theory:
1. The material is heterogeneous and isotropic.
2. The stress is purely longitudinal and local effects near concentrated loads will be neglected.
3. The radius of curvature is large compared with the dimensions of the cross-section.
Which of the above statements are correct?
1
1 and 2 only
2
2 and 3 only
3
1 and 3 only
4
1, 2 and 3