railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Stress-Strain Diagram
Consider the following statements regarding the stress strain diagram:
1. Hooke’s law is followed up to the elastic limit.
2. The stress at which a material elongates without an increase in load is called as yield stress.
3. Toughness is usually represented by the area under a stress strain curve.
Which of the given statements are correct?
1
1 and 3
2
Only 1
3
1 and 2
4
2 and 3