A steel plate is bent into a circular arc of radius 10 m. If the plate section be 120 mm wide and 20 mm thick, with E = 2 × 105 N/mm², then the maximum bending stress- induced is
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- A symmetrical framework consisting of three pin-connected bars is loaded by a forceP (see figure). The angle between the inclined bars and the horizontal is a = 52°. Theaxial strain in the middle bar is measured as 0.036.Determine the tensile stress in the outer bars if they are constructed of a copper alloyhaving the following stress-strain relationship:A steel plate is bent into a circular arc of radius 10 m. If the plate section be 120 mm wide and 20 mm thick, with E = 2 × 105 N/mm², then the maximum bending stress-induced is3. An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in the figure. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 13.05 ksi, or in bronze of 100 MPа. Aluminum A = 400 mm? Bronze A = 200 mm Steel A = 500 mm? 2P 4D 2.5 m 2.0 m 1.5 m
- A steel rod with a cross-sectional area of 0.25in2 is stretched between two fixed points. The tensile force in the rod at 70°F is 1200lb. If a = 6.5x10-6/°F and E = 29x106 psi, What will be the stress at 0°F? At what temperature will the stress be zero? A bronze bar 3m long with a cross-sectional area of 320mm2 is placed between two rigid walls. At ta temperature of -20°c, the gap A = 25mm. Find the temperature at which the compressive stress of the bar will be 35 MPa. Use a = 18x10-6 m/ (m. °C) and E = 80GPA.A steel bar 30 mm in diameter and 2 m long is encased in a shell of cast iron 5 mm thick. Compute the stress in each material, in MPa, if a compressive axial load of 150 kN is applied to the assembly. For steel, E = 200 MPa and for cast iron, E = 100 %3D GPa ( Select the correct response(s): 29.96 MPa 76.39 MPa 212.21 MPa 106.10 MPa 136.32 MPa 152.79 MPa 59.92 MPa 272.84 MPaAn aluminum tube with the hexagonal cross-section shown is 2.5 ft long and has a constant wall thickness of 0.080 in. Find (a) the largest torque that the tube can carry if the shear stress is limited to 7200 psi. Use G = 4 x 106 psí for aluminum. 11.5 in 0.075 in O 6734 lb-in O 7634 lb-in O 6374 lb-in O 7346 lb-in
- A mild steel bar of square cross-section 40 mm x 40 mm is 400 mm long it is subjected to a longitudinal tensile stress of 440 N/mm² and lateral compressive stress is 200 N/mm² in perpendicular directions. E = 2 x 105 N/mm², μ = 0.3. What is the approximate elongation of the bar in the longitudinal direction?A steel section having a cross section of 20 mm x 30 mm is subjected to an axial force of 240 kN. The steel section has produces a strain of 0.002. If it has a value of Poisson's ratio of 0.30. Which of the following gives the bulk modulus of the steel section. a. 133333 MPa b. 166667 MPa c. 111111 MPa d. 144444 MPaA mild steel bar, 1.5 m long, has a square section 40 mm x 40 mm. The bar is subjected to a two- dimensional stress, o =310 N/mm² (tensile) and oy=300 N/mm² (compressive). E=2×105 N/mm², Poisson's ratio μ-0.3. The elongation of the bar is the direction of a will be
- A prismatic bar has a cross-section of 25 mm x 50 mm and a length of 2 m. If the bar is subjected to an axial tensile force of 90 kN, the bar is elongated by 1.5 mm. What is the tensile stress? (a) 3.6 N/mm² (c) 36 N/mm2 (b) 7.2 N/mm² (d) 72 N/mm²The state of stress at a point is shown with respect to xy-plane. The state of stress at a point is shown with respect to x'y'-plane? 8 MPa y'v 60° S MPa +S MPa 10 MPa 8 MPaA thin high-strength steel plate having a thickness of 40 mm has a height of 120 mm and length of 350 mm, is subjected to a moment at both ends = 66 kN.m. E= 28000 MPa Determine the bending stress of the steel plate in MPa Choose This is a required question Determine its radius of curvature in mm. Choose This is a required question *