Question: A stepped shaft ACB having solid circular cross sections with two different diameters is held against rotation at the ends (see figure). If the allowable

A stepped shaft ACB having solid circular cross sections with two different diameters is held against rotation at the ends (see figure).
If the allowable shear stress in the shaft is 43 MPa, what is the maximum torque (T0)max that may be applied at section C? (Use Eqs. 3-45 a and b of Example 3-9 to obtain the reactive torques.)

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