Question: The solid shaft shown in Fig 2 has a diameter of 50mm and a length of 800mm. The shaft is twisted through an angle

The solid shaft shown in Fig 2 has a diameter of 50mm and a length of 800mm. The shaft is twisted through an angle of 3 degrees at one end while the other end is fixed. Part a Calculate: (a) the torque T required and (b) the maximum shear stress induced. [G=80GN/m] [12 Marks] Part b To make the shaft more flexible it is to be bored along its axis. Calculate the internal diameter necessary so that the torque calculated in 'part a' produces an angle of twist of 5 degrees (instead of 3 degrees). [8 Marks] Fig 2 050 mm ID mm- T 50 mm T L =800mm

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