In the test on a steel bar, E = 29.57 x 10° psi and v = 0.303. Find the shear modulus, G. %3D
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Q: 3. Given a shear stress of Txy = 5000 psi and a shear modulus of G = 1.15 x 107 psi, find the shear…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
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- A steel riser pipe hangs from a drill rig located offshore in deep water (see figure). (a) What is the greatest length (meters) it can have without breaking if the pipe is suspended in the air and the ultimate strength (or breaking strength) is 550 MPa? (b) If the same riser pipe hangs from a drill rig at sea, what is the greatest length? (Obtain the weight densities of steel and sea water from Table M, Appendix I. Neglect the effect of buoyant foam casings on the pipe.)A circular cylindrical steel tank (see figure) contains a volatile fuel under pressure, A strain gage at point A records the longitudinal strain in the tank and transmits this information to a control room. The ultimate shear stress in the wall of the tank is 98 MPa, and a factor of safety of 2,8 is required. (a) At what value of the strain should the operators take action to reduce the pressure in the tank? (Data for the steel are modulus of elasticity E = 210 GPa and Poisson's ratio v = 0.30.) (b) What is the associated strain in the radial direction(a) Solve part (a) of the preceding problem if the pressure is 8.5 psi, the diameter is 10 in., the wall thickness is 0,05 in., the modulus of elasticity is 200 psi, and Poisson's ratio is 0.48. (b) If the strain must be limited to 1.01, find the maximum acceptable inflation pressure
- P1 is the critical point. If the maximum permissible tensile stress is 150 MPa and themaximum permissible in-plane shear stress is 55 MPa, what is the largest load, P, that can beapplied by the rider? Where shaft OD = 32mm and thickness = 3.25mmFor the two-cell tube, the rate of twist is 5 degree/meter. G=20 GPa, if a is 10 cm and t equals to 4 mm, find the maximum shear stress in the walls.A spherical tank of diameter 1.2 m and wall thickness 50 mm contains compressed air at a pressure of 17 MPa. What is the value of tensile stress? (Assume E = 210 GPa, v = 0.29)
- a shaft 80mm diameter transmits power at maximum shear stress of 63 mpa. find the length of 20mm wide key required to mount a pulley on the shaft so that the stress in the key does not exceed 42 mpa.A rail line is laid so that there is no stress in rails at 15°C. The rails are 500000 mm long. α = 11.7 × 10-6/°C and E = 2.3 × 105 N/mm2. Find the maximum temp. to have no stress in the rails if the expansion allowance is 15 mm/rail.Find stress of a aluminum cylinder of diameter 12.8mm and gauge length 50.8mm. The force applied is 47,500N.
- A steel column with an outer diameter of 50 mm and an inner diameter of 40 mm surrounds a solid steel bar with a diameter of 30 mm. A support at one end of the bar and a hard plate at the other end of the tube hold them both tightly in place. A torque T = 650 Nm acting on the end plate twists the composite bar, which has a height of 850 mm. Assuming that the steel's shear modulus is G = 80 GPa, find the maximum shear stresses in the bar and tube, respectively, and the angle of rotation (in degrees) of the end plateProblem :Pressure vessel made of alloy steel with Yield Strength of 250 MPa, Pressure acting on Pressure Vessel = 10 Atmosphere. Longitudinal Stress (σL) = 200 MPa. Hoop Stress (σθ) = 150 MPa. Radial Stress (σR) = -50. Question :a) How thick is the pressure vessel if the Inner Diameter is D = 2 Meters? b) Check whether the pressure vessel is safe or not? c) Calculate the maximum shear stress with Mohr's circle? d) Check whether the pressure vessel is safe or not with Tresca yield criterion and compare it with von Mises yield criterion?Find the stresses in each section and total change in length of the bar as shown in figure. The bar is subjected to an axial pull of 24 kN. Take the diameter of section 1 as 56 mm, length L1 as 44 mm, ,the dimensions of section 2 as 65 mm x 63 mm, L2 as 16 mm, section 3 is a square of size 30 mm, length L3 as 50 mm. Also take the Young’s modulus of sections as E1 = 2.1x105 N/mm2, E2 = 1.1x105 N/mm2, E3 = 0.75x105 N/mm2 (i) Stress in section 1 (unit in N/mm2) is = Answer for part 1 (ii) Stress in section 2 (unit in N/mm2) is = Answer for part 2 (iii) Stress in section 3 (unit in N/mm2) is = Answer for part 3 (iv) Total Change in length of the given bar (unit in mm) is =