engineering recuitment BEL Probationary Engineers Mock Test 2025 Strength of Materials Simple Stress and Strain Volumetric Strain
A rectangular steel bar of size 100 mm × 25 mm × 20 mm has strains in x, y and z directions, 0.0065, 0.0025 and 0.002 respectively. The change in volume due to these strains is
1
366.6 mm3
2
625 mm3
3
550 mm3
4
183.3 mm3