The shaft consists of a solid segment ABAB and a hollow segment BCBC$,$ which are rigidly joined by the coupling at BB$.$ Take didi $=85$ mmmm and dodo $=105$ mmmm$.($Figure $1)$

Figure

$1$ of $1$

Part A

If the shaft is made from A$-36$ steel, determine the maximum torque TT that can be applied according to the maximum shear stress theory. Use a factor of safety of $1\mathrm{.}5$ against yielding. $$

Express your answer to$$three significant figures and include the appropriate units.