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Question 12.8: A steel shaft supported in bearings A and B at its ends carr...

A steel shaft supported in bearings A and B at its ends carries a pulley (diameter = 600 mm) at point C as shown in Figure 12.18. The shaft is transmitting power in such a way that power is input by a torque T at A and is taken off through a belt over-running the pulley where the tensions in the belt are 1250 N in tight side and 250 N in the slack side. Calculate the required shaft diameter if the working stresses are \sigma_n = 85 MPa and τ = 42.5 MPa.

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