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- An aluminum [E = 9100 ksi] control rod with a circular cross section must not stretch more than 0.23 in. when the tension in the rod is 2100 lb. If the maximum allowable normal stress in the rod is 10.9 ksi, determine: (a) the smallest diameter d that can be used for the rod. (b) the corresponding maximum length L of the rod. Answers: (a) d = (b) L = i i in. in.NEED IN 1 HOUR PLS, THANK U A copper bar is of uniform cross-section and is rigidly attached to the walls as shown. The rod is 5ft long and has a cross-sectional area of 2.5 in². At a temperature of 20°F the rod is stress-free in the configuration shown. Determine the stress in the rod when the temperature has dropped to 50°F. Assume that the supports do not yield. For copper, E = 16x10⁶ lb/in² and α = 9.3 x 10^-6/°F.A rigid beam rest on two bronze bars 700mm long. Another aluminum bar is placed between them which is 699.93mm long. If the weight of the beam is 375KN, determine the stress in the aluminum bar in MPa. (Round your answer to 3 decimal places) (Exclude your unit in the answer box) Bronze Alum 850 1500 Ain mm E in GPa 70 83 bronz alum bronze
- A cylindrical assembly consisting of a brass core and an aluminum collaris compressed by a load P (see figure). The length of the aluminum collarand brass core is 350 mm. the diameter of the core is 25 mm, and theoutside diameter of the collar is 40 mm. Also, the module of elasticity ofthe aluminum and brass are 72 GPa and 100 GPa, respectively.(a) If the length of the assembly decreases by 0.1% when the load Pisapplied, what is the magnitude of the load?(b) What is the maximum permissible load f^ if the allowable stresses inthe aluminum and brass are SO MPa and 120 M Pa, respectively?The pin-connected assembly consists of aluminum rods (1) and (2) and steel rod (3). The aluminum rods each have a diameter of 11 mm and an elastic modulus of E = 78 GPa. Thesteel rod has a diameter of 16 mm and an elastic modulus of E = 200 GPa. Assume a = 4.1 m, b = 1.2 m, and c= 1.2 m. What is the magnitude of load P that is necessary to displace point A 12 mm to the left? (1) P (3) B (2) Answer: P = 117.7 kNA hollow aluminum tube is rigidly attached between steel rod and a bronze rod as shown. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in aluminum of 80 MPa, in steel of 150 MPa or bronze of 100 MPa. Steel Aluminum Bronze А P> ЗР - 2P outside = 30 mm d inside = 20 mm d d = 16 mm d = 60 mm -100mm- -150mm- -125mm-
- Show Attempt History Current Attempt in Progress Your answer is incorrect. The pin-connected assembly consists of aluminum rods (1) and (2) and steel rod (3). The aluminum rods each have a diameter of 18 mm and an elastic modulus of E = 77 GPa. The steel rod has a diameter of 24 mm and an elastic modulus of E = 180 GPa. Assume a = 3.5 m, b = 1.8 m, and c = 1.1 m. What is the magnitude of load P that is necessary to displace point A 8 mm to the left? (1) (3) B (2) D Answer: P = ! kN eTextbook and Media Save for Later Last saved 3 hours ago. Attempts: 1 of 3 used Submit Answer Saved work will be auto-submitted on the due date. Auto- submission can take up to 10 minutes. Using multiple attempts will impact your score. 5% score reduction after attempt 1If the gauge is made of a material having a yield stress equal 200 MPa, determine theminimum required diameter d. Using a factor of safety (F.S. = 2)A Solid Steel bar of diameter 60mm and length 3.50mm is placed inside an aluminum cylinder of inside diameter 70mm and outside diameter 110mm, a compressive load of looo la is applied on the assembly, find the stresses in the bar and the cylinder? take Est = 200GPa and EA1 = 70 Gra. P=1000KN Cover Plate 0.25mm d- 350mm di do t Alum, cylinder Steel bar
- The pin-connected assembly consists of aluminum rods (1) and (2) and steel rod (3). The aluminum rods each have a diameter of 11 mm and an elastic modulus of E = 63 GPa. The steel rod has a diameter of 15 mm and an elastic modulus of E= 195 GPa. Assume a = 4.0 m, b = 1.5 m, and c = 0.9 m. What is the magnitude of load P that is necessary to displace point A 12 mm to the left? a Answer: P = i (3) B D KN1.(e) The state of plane stress shown occurs at a critical point of a steel machine component. As a result of several tensile tests. It has been found that the tensile yield strength is o, = 250 MPa for the grade of steel used. Determine the factor of safety with respect to yield using (a) the maximum shearing stress criterion, and (b) the maximum distortion energy criterion. ↑Y 40 MPa 80 MPa 25 MPaA Sandwich block is comprised of brass in the centre with two aluminium plates attached to either side. The block is fastened by a top rigid end plate. An axial load (P = 443 kN) is applied to the centre of the block as shown below. Find the normal stress in the brass and the normal stress in the aluminium cover plates. Aluminum plates (E = 70 GPa) 300 mm Brass core (E = 105 GPa) 10 mm 40 mm 10 mm P Rigid end plate 60 mm OneDrive Screenshot saved The screenshot was added to your