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- The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular cross section of 0.2011in.2 in area and a gage length (the length over which the elongation is measured) of 2.000 inches. The specimen was not loaded to failure. a. Generate a table of stress and strain values. b. Plot these values and draw a best-fit line to obtain a stress-strain curve. c. Determine the modulus of elasticity from the slope of the linear portion of the curve. d. Estimate the value of the proportional limit. e. Use the 0.2 offset method to determine the yield stress.PROBLEM 1) An aluminum bar carries the axial loads at the positions shown. If E=70GPA, compute the total deformation of the bar. Assume that the bar is suitably braced to prevent buckling. 0.4m D 10KN. 0.8m 0.4m B 5KN 0.6m Al 20KN Q2 5) What is the deformation 8, in mm? A=800 mm? A=1,200 mm?PROBLEM 1) An aluminum bar carries the axial loads at the positions shown. If E=70GPA, compute the total deformation of the bar. Assume that the bar is suitably braced to prevent buckling. 0.4m D 10KN 0.8m 0.4m B 5KN 0.6m AL 20KN What is the deformation &pE in mm? A=800 mm² A=1,200 mm²
- 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 2.5m 2.0m 1.5mThe working load P on the propped cantilever shown are each 150 kN. If the yield stress of mild steel is 300 MPa, determine the plastic section modulus in cubic millimeters, using a load factor of 1.75 against collapse. (express your response this way, x,xxX,XXX.X). Pu Pu 1.1 2m B A 2m 2m18,000 lbs K₂ 3) This steel bar is 3" x 3" by 30" long. It has a 1" diameter hole centered in the side as shown. What is the maximum tensile stress in the bar? 3.0 2.8 2.6 2.4 2.0 2.2 0 0.1 0.2 0.3 W 0.4 0.5 0.6 0.7 0.8 d/w 18,000 lbs
- A uniform bar 1 is connected to a tapered rod 2. Both are subjected to aodal loads as shown. If P-7 IN, Determine the total aodal deformation (in mm). Indicate negative sign f comoression. @ 5P O 3P E-200 6P 30 mm emm 80 mm 30 mn 30 mmA steel tube with 3cm outside diameter, 0.25cm thick, and 4m long is covered and lined throughout with copper tubes 0.20cm thick. The three tubes are joined together at their ends. What is the maximum compressive load that can be applied to the top such that the total deformation does not exceed 0.50mm? Esteel = 200 GPa & Ecopper = 110 GPa.An SSTM A36 strucural steel beam 3.6 m long is placed between two rigid supports when the temperature is 15 0C. What is the stress developed in the beam if the temperature rises to 50 0C? ___ MPa. Assume that the proportional limit is 235 MPa, and that lateral buckling is prevented. Calculate your answer to 1 decimal place.
- The light rigid bar ABCD shown Is pinned at C and connected to two vertical rods. The bar was initially horizontal, and the rods were stress-free before the load P = 20 KN is applied. E200 CPa E1m 2.0 m 0.6m 1.5 m VP-20 KN Aluminum E-70 GPa A=900mm2 L-1.5 m What is the axial stress at steel rod in MPa?Problem 3.2 (CE BOARD NOVEMBER 2003, CE BOARD NOVEMBER 2004) The lower ends of the three bars shown are at the same level before the 18 Mg block is attached. Each steel bar has an area of 600 mm 2 and E = 200 GPa. For the bronze rod, the area is 900 mm^2 and E broaze = 83 GPa. Fteel steel Sm a) Find the stress in the bronze rod. b) Calculate the axial stress in the steel rod c) Detemine the elongation of each rod.Bar A was manufactured 2 mm less than bar B due to an error. The attachment of these bars to the rigid bar wouldcause a misfit of 2 mm. Calculate the initial stress in each assembly. Which of the two assembly configurationyou would recommend? Use modulus of elasticity of E = 80 GPa and diameter of the circular bars as 32 mm.