engineering recuitment ISRO Scientist Mechanical Mock Test Strength of Materials Simple Stress and Strain Mechanical Properties
Consider the following statements for ductile fracture:
1. The material undergoes substantial plastic deformation with high energy absorption before fracture.
2. Presence of cracks on the surface of material initiates this type of failure.
3. Fracture occurs due to necking.
Which of the above statements is/are correct?
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1 and 3 only