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**Unformatted text preview: **nd TC = 50
Nm as shown in Figure 2. The inner core of the shaft from A to C consists of a solid steel
material [shear modulus, Gs = 80 GPa] with an outside diameter of 40 mm. From A to B the
steel core is covered by an aluminum alloy [shear modulus, Ga = 28 GPa] tube with an inside
diameter of 40 mm and a wall thickness of 10 mm. The two materials are bonded together so
that they act as a unit.
(a) Draw the distribution of the internal torque along the length of bar from A to C.
(b) Obtain the angles of twist, φ B and φ C at points B and C, respectively.
(c) Calculate the maximum shearing stress in each material and identify the location at which
they occur. Name: Signature:
Student Number: Marks (%)
(30) 3. A simply-supported beam ABC with an overhang is subjected to the loads shown in Figure
3a. The cross-section of the beam has a T-shape as shown in Figure 3b with dimensions as
follows: b = 220 mm, t = 15 mm, h = 300 mm, and h1 = 275 mm.
(a) Draw the shear force and bending moment distribution diagrams for the beam, labeling all
critical values including the maximum bend...

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