engineering recuitment ISRO Scientist Civil Mock Test Strength of Materials Simple Stress and Strain Axial Elongation of Bar
A mild steel bar is in two parts having equal length. The area of cross-section of part-1 is double that of part-2. If the bar carries an axial load P, then the ratio of elongation in part-1 to that in part-2 will be
1
2
2
4
3
1/2
4
1/4