engineering recuitment ECIL GET Mechanical Mock Test 2024 Strength of Materials Simple Stress and Strain Deflection of Bar
A 8 m long round bar made of aluminium (Modulus of elasticity 70 GPa) carries a tensile load of 720 kN. If the maximum allowable elongation is 10 mm, the minimum required diameter of the bar is
1
103 mm
2
30 mm
3
79 mm
4
72 mm