Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 7 (Q.No. 20)
20.
Two heavy rotating masses are connected by shafts of lengths l1, l2 and l3 and the corresponding diameters are d1, d2 and d3. This system is reduced to a torsionally equivalent system having uniform diameter d = d1 of the shaft. The equivalent length of the shaft is
l1 + l2 + l3
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