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- The results of a tensile test are shown in Table 1.5.2. The test was performed on a metal specimen with a circular cross section. The diameter was 3 8 inch and the gage length (The length over which the elongation is measured) was 2 inches. a. Use the data in Table 1.5.2 to produce a table of stress and strain values. b. Plot the stress-strain data and draw a best-fit curve. c. Compute the, modulus of elasticity from the initial slope of the curve. d. Estimate the yield stress.A compound bar consisting of bronze, aluminum, and steel segments is loaded axially as shown in the figure. Determine the maximum allowable value of P if the change in length of the bar is limited to 2 mm and the working stresses prescribed in the table are not to be exceeded. Material Properties Material Area(mm2) E (GPa) Normal Stress(MPa) Bronze 450 83 120 Aluminum 600 70 80 Steel 300 200 140 Aluminum 3P Bronze Steel 2P 4P - 0.6 m →- 1.0 m 0.8 m2. A rod is composed of an aluminum section rigidly attached between steel and bronze sections as shown in the figure. Axial loads are applied at the positions indicated. The cross-sectional area of the rod is 300sq.mm. Express your answer in MPa. Determine the stress in the steel. b. a. Determine the stress in the aluminum. Determine the stress in the bronze. C. STEEL ALUMINUM BRONZE 56kN 14kN -0.6m- -0.9m- -0.76m-
- 200KN A steel rod is rigidly attached between an aluminum and bronze rod. The diameters of each material are shown in the figure. A fixed support is rigidly attached to the right end of the bronze rod. Determine the stress each section in kPa. Aluminum Steel D=28mm D=20mm 20KN Bronze D=25mm 150KN1 - An aluminum plate is subjected to uniform stress along its boundaries, as shown in the figure. Determine the change of length of diagonal BD. 120mm 120 MPa 160mm C B V 100MPa -200 MPa E-80GPa ✓=0.3 G=30MPaDetermine the normal stress in the steel plate. Gusset plate is 16 mm thick column pin diameter = 20 mm gusset plate steel plate 70 kN pin 60mm 8-mm plate thickness 183.45 MP 0148.53 MPa 58.33 MP3 22282 MP A 14583MP
- An aluminum rod is rigidly attached between a steel rod and a bronze as shown. Axial loads are applied at the positions indicated. Find the stress of each rod in MPa. Steel Aluminum Bronze A- 500mm A = 400mm? A- 200mm 40KN 10KN 20KN 1.5m 2.5m 2.0m Determine the change in length of steel rod having a length of 800mm and a diameter of 6.5mm. The rod is subjected to a force P equal to 110KN. Young's Modulus is 200GPA Compute normal strain of the rodAn aluminum plate is subjected to uniform stress along its boundaries, as shown in the figure. Determine the change of length of diagonal BD. 120mm 120 MPa 160mm , 100мра C 240 MPa E=80GPa ✓=0.3 G=30GPa Answer = -0.5888mm1. Find: (a) the stress in the Steel and Ahuminium rods after the loap P applied and the temprature raised 60 C" and (b) the displacement under the load P. Using the data in the Table below. Rod A (mm) a (um/m. C) L (m) d (m) 0 (degree) E (GPa) P (kN) Steel 500 T1.2 190 3 35 Aluminium 400 18.9 22 70 Aluminium Steel 4m 2m
- G6//The light rigid bar ABCD shown in Figure is pinned at B and connected to two vertical rods. Assuming that the bar was initially horizontal and the rods stress-free, determine the stress in each rod after the load after the load P 20 KN is applied. Steel L=2m A=250mm 4m E=200Mpa Aluminum L=2m A=500mm 2m 2m E-72Mра P=20KNFor the assembly shown in the figure below, Determine the state of stress at point A on the cross section of the pipe at section a-a. 20 mm P 170N d 30mm Section a-a 120mm b 220mmThe drill is jammed in the wall and is subjected to the torque and force shown in a 20 N-m O A 125 mm = B 400 mm -5 mm Section a-a Part A Determine the normal stress at point A on the cross section of drill bit at section a-a. 150 N Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. ANSWER: Tap image to zoom ANSWER: ((Txy)V) A = Part B Determine the transverse stress at point A on the cross section of drill bit at section a-a. Express your answer to three significant figures and include the appropriate units.