railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Simple Stress and Strain Stress and Strain
A bar 36 mm × 36 mm × 260 mm long is subjected to a pull of 100 KN, in the direction of length. The decrease in each lateral dimension is 0.004 mm. The lateral strain is
1
1.11 × 10-4
2
1.25 × 10-4
3
1.32 × 10-4
4
1.45 × 10-4