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1. Two torque as shown are applied on a compound shaft of aluminum segment and a steel. Determine the maximum permissible value of T subjected to the following conditions: T, 5 90MPA, Ta s 65MPA_ and the angle of rotation of the free end limited to 11°. Use GS = 84 GPa and Ga = 27 GPa 75 mm (30 pts) Aluminum Steel Bf 50 mm 1.5 m

1. Two torque as shown are applied on a compound shaft of aluminum segment and a steel. Determine the maximum permissible value of T subjected to the following conditions: T, 5 90MPA, Ta s 65MPA_ and the angle of rotation of the free end limited to 11°. Use GS = 84 GPa and Ga = 27 GPa 75 mm (30 pts) Aluminum Steel Bf 50 mm 1.5 m

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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1. Two torque as shown are applied on a compound shaft of aluminum segment and a steel. Determine the maximum permissible value of T subjected to the following conditions: t, < 90MPa, ta S 65MPA_ and the angle of rotation of the free end limited to 11°. Use Gs = 84 GPa and Ga = 27 GPa 75 mm 2T (30 pts) Aluminum Steel B 50 mm 2 m 1.5 m 2. A solid shaft is to transmits 22 kW at 110 rpm. Determine the diameter of the shaft if the shearing stress is not to exceed 35 MPa and the angle of twist is limited to 5° in a length of 4m. Use G=86 GPa (20 pts) 3. Determine the stress in each of the two vertical rods if the temperature rises 50 °C after the load P=75 KN is applied. Neglect the deformation and mass of the horizontal bar AB. Use Ea = 75 GPa, as=23.0 um/m-°C, Aa = 850 mm2_ Es = 210 GPa, as = 11.9 µm/m-°C and As = 650 mm² . (30 pts) Steel Aluminum 3m 2.5m B 3 m 3 m 3 m 75 kN. 4. A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GPa, a = 11.9 x 10-6 /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. (20 pts) L
Transcribed Image Text:1. Two torque as shown are applied on a compound shaft of aluminum segment and a steel. Determine the maximum permissible value of T subjected to the following conditions: t, < 90MPa, ta S 65MPA_ and the angle of rotation of the free end limited to 11°. Use Gs = 84 GPa and Ga = 27 GPa 75 mm 2T (30 pts) Aluminum Steel B 50 mm 2 m 1.5 m 2. A solid shaft is to transmits 22 kW at 110 rpm. Determine the diameter of the shaft if the shearing stress is not to exceed 35 MPa and the angle of twist is limited to 5° in a length of 4m. Use G=86 GPa (20 pts) 3. Determine the stress in each of the two vertical rods if the temperature rises 50 °C after the load P=75 KN is applied. Neglect the deformation and mass of the horizontal bar AB. Use Ea = 75 GPa, as=23.0 um/m-°C, Aa = 850 mm2_ Es = 210 GPa, as = 11.9 µm/m-°C and As = 650 mm² . (30 pts) Steel Aluminum 3m 2.5m B 3 m 3 m 3 m 75 kN. 4. A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GPa, a = 11.9 x 10-6 /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. (20 pts) L
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