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1. |
The maximum shear stress in a solid shaft of circular cross-section having diameter d subjected to a torque T is ?. If the torque is increased by four times and the diameter of the shaft is increased by two times, the maximum shear stress in the shaft will be |
A. | 2? |
B. | ? |
C. | ?/2 |
D. | ?/4 |
Answer» D. ?/4 | |