A disk and two circular shafts are connected and supported between rigid walls, as shown in Fig. 4. Shaft AB is made of brass (G: 50 GPa) and has a diameter of 150 mm and a length of 400 mm. Shaft BC is made of hollow monel (G: 68 GPa) with an outside diameter of 100 mm, a thickness of 8 mm and a length of 650 mm. If a torque of 15 kN.m is applied to the disk, determine: ? The maximum shearing stress in each of the shafts.? The angl of rotation of the disk with respect to its no-load position.? If the maximum stress and rotation in the brass shaft is limited to 100 MPa and 0.014 radian and in the Monel shaft is 150 MPa and 0.034 radian, check whether the shaft is safe or not. Find also the factor of safety if it is safe.
A disk and two circular shafts are connected and supported between rigid walls, as shown in Fig. 4. Shaft AB is made of brass (G: 50 GPa) and has a diameter of 150 mm and a length of 400 mm. Shaft BC is made of hollow monel (G: 68 GPa) with an outside diameter of 100 mm, a thickness of 8 mm and a length of 650 mm. If a torque of 15 kN.m is applied to the disk, determine: ? The maximum shearing stress in each of the shafts.? The angl of rotation of the disk with respect to its no-load position.? If the maximum stress and rotation in the brass shaft is limited to 100 MPa and 0.014 radian and in the Monel shaft is 150 MPa and 0.034 radian, check whether the shaft is safe or not. Find also the factor of safety if it is safe.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A disk and two circular shafts are connected and supported between rigid
walls, as shown in Fig. 4. Shaft AB is made of brass (G: 50 GPa) and has a
diameter of 150 mm and a length of 400 mm. Shaft BC is made of hollow
monel (G: 68 GPa) with an outside diameter of 100 mm, a thickness of 8 mm
and a length of 650 mm. If a torque of 15 kN.m is applied to the disk,
determine:? The maximum shearing stress in each of the shafts.? The angle
of rotation of the disk with respect to its no-load position.? If the maximum
stress and rotation in the brass shaft is limited to 100 MPa and 0.014 radian
and in the Monel shaft is 150 MPa and 0.034 radian, check whether the
shaft is safe or not. Find also the factor of safety if it is safe.
15 kNm
Figure 4
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