engineering recuitment Vizag Steel MT Mechanical 2020 Test Series Strength of Materials Shear Stress and Bending Stress
The maximum shear stress in a solid shaft of circular cross section having diameter a subjected to a torque T is τ. If the torque is increased by 2 times and diameter is decreased by 2 times, the maximum shear stress becomes
1
2τ
2
4τ
3
8τ
4
16τ