Question: 1 2 . 4 Calculate the allowable torque for a hollow steel shaft. The inside diameter is 4 0 m m and the outside diameter

12.4 Calculate the allowable torque for a hollow steel shaft. The inside diameter is 40mm and the outside diameter is 85mm. The allowable shear stress is 68MPa.
1 2 . 4 Calculate the allowable torque for a

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