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The collar bearing shown is subjected to a compressive load P of 60,000 lb. Calculate the required diameter Dc of the collar. The diameter Ds of the shaft is 4 in. and the allowable bearing stress for the collar on its support is 300 psi. Assume a
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- A shaft used in an aircraft engine is 50 mm diameter, the maximum allowable shear stress is 84 MN/m². Find the torsional strength of the shaft. If the shaft now has a hole bored in it, find the percentage reductions in strength and mass. a. If the hole is 40 mm diameter b. If the hole is 25 mm diameter.arrow_forwardThe circular shaft shown is subjected to an axial force P at its free end and a compressive force of 50 kips at point B. Note that the shaft is hollow between points A and B. The allowable normal tension stress is 22 ksi, the modulus of elasticity is 29,000 ksi, and the maximum allowable elongation is 0.04 in. Determine the maximum allowable value of P in kips. -0.75 in A >50 kips 3 in 20 in 30 inarrow_forwardA solid shaft 100 mm in diameter is subjected to an axial compressive load of 600 kN simultaneously with a torque that twists the shaft thru an angle of 1.5 degrees in the length of 8 meters. If G=80Gpa, compute the maximum normal stress in the shaft. This is a COMBINED STRESS problem. Please include drawings of the circle.arrow_forward
- 2. A hollow generator shaft of 180-mm outer diameter and 120-mm inner diameter carries a torque T= 40 kNm. Find the maximum tensile and compressive stresses in the shaft 12arrow_forwardThe compound shaft is attached to a rigid wall at each end. For the bronze segment AB, the diameter is 75 mm and G = 35 GPa. For the steel segment BC, the diameter is 50 mm and G = 83 GPa. Given that a = 2 m and b = 1.5 m, compute the largest torque T in kN-m that can be applied as shown in the figure if the maximum shear stress is limited to 60 MPa in the bronze and 80 MPa in the steel. Answer in 2 decimal placesarrow_forwardA simple torsion-bar spring is shown. The shear stress in the steel [G= 11,500 ksi] shaft is not to exceed 10800 psi, and the vertical deflection of joint D is not to exceed 0.425 in. when a load of P = 3100 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 84 in., b = 32 in., and c = 36 in. Part 1 Answer: T = a i D P B Calculate the torque being applied to the shaft at point B. b C lb-inarrow_forward
- The compound shaft is attached to a rigid wall at each end. For the bronze segment AB, the diameter is 70 mm and G = 33.29 GPa. For the steel segment BC, the diameter is 40 mm and G = 84.85 GPa. Given that a = 2.03 m and b = 1.38 m, compute the largest torque T (in Nm) that can be applied as shown in the figure if the maximum shear stress is limited to 64.59 MPa in the bronze and 84.39 MPa in the steel. Round off the final answer to two decimal places. d A Bronze B Steel b. Add your answerarrow_forwardA simple torsion-bar spring is shown. The shear stress in the steel [G= 11,500 ksi] shaft is not to exceed 10000 psi, and the vertical deflection of joint D is not to exceed 0.600 in. when a load of P = 4300 lb is applied. Neglect the bending of the shaft and assume that the bearing at C allows the shaft to rotate freely. Determine the minimum diameter required for the shaft. Use dimensions of a = 88 in., b = 22 in., and c = 40 in. Part 1 * Incorrect Answer: C T= i 5.468 B Calculate the torque being applied to the shaft at point B. b Ib-inarrow_forwardcircular tube AB is fixed at one end andfree at the other end. The tube is subjected to axialforce at joint B. If the outer diameter of the tube is 75 mm and the thickness is 19 mm, calculate the max-imum normal stress in the tube.arrow_forward
- The circular shaft is subjected to cyclic load. The Shaft is subjected to maximum load of 500 kN and minimum load of 350 kN. Stress range is given by 120 N/mm. Find the diameter of the shaft.arrow_forwardThe compound shaft is attached to a rigid wall at each end. For the bronze segment AB, the diameter is 66 mm and G = 33.38 GPa. For the steel segment BC, the diameter is 40 mm and G = 83.55 GPa. Given that a = 2.12 m and b = 1.44 m, compute the largest torque T (in Nm) that can be applied as shown in the figure if the maximum shear stress is limited to 66.04 MPa in the bronze and 81.48 MPa in the steel. Round off the final answer to two decimal places.arrow_forwardThe vertical load P acting on the wheel of a traveling crane is 13,000 lb. What is the average shear stress in the 1.25 in. diameter axle?arrow_forward
- Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning