A rod made of aluminum alloy, with a gauge length of 100 mm, diameter of 10 mm, and yield strength of 150 MPa, was subjected to a tensile load of 5.85 kN. If the gauge length was changed to 100.1 mm and the diameter was changed to 9.9967 mm, calculate the modulus of elasticity and Poisson's ratio.
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- A tensile test was performed on a metal specimen having a circular cross section with a diameter of 1 2 inch. The gage length (the length over which the elongation is measured) is 2 inches. For a load 13.5 kips, the elongation was 4.6610 3 inches. If the load is assumed to be within the linear elastic rang: of the material, determine the modulus of elasticity.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.A tensile test was performed on a metal specimen having a circular cross section with a diameter 0. 510 inch. For each increment of load applied, the strain was directly determined by means of a strain gage attached to the specimen. The results are, shown in Table: 1.5.1. a. Prepare a table of stress and strain. b. Plot these data to obtain a stress-strain curve. Do not connect the data points; draw a best-fit straight line through them. c. Determine the modulus of elasticity as the slope of the best-fit line.
- A tensile test was performed on a metal specimen with a diameter of 1 2 inch and a gage length (the length over which the elongation is measured) of 4 inches. The dam were plotted on a load-displacement graph. P vs. L. A best-fit line was drawn through the points, and the slope of the straight-line portion was calculated to be P/L =1392 kips/in. What is the modulus of elasticity?A steel specimen of 300 mm length and 30 mm diameter is subjected to tensile test in a computerizedUTM. Under 54 kN of tensile load, the final length and diameter are observed as 300.112 mm and29.99634 mm respectively. Calculate (a) the Poission’s ratio and (b) the values of three moduli.The following data was obtained from a tensile test on Load (kN) 16 32 56 72 95 110 132 142 140 135 Extension (mm) 0.2 0.4 0.7 0.9 1.5 2.5 5.0 8.5 10.0 12.0 a specimen of 10mm diameter and gauge length 60mm. Using the graph paper supplied, plot the load-extension diagram and determine: (1) The tensile strength (2) 0.1% Proof Stress (3) Young's Modulus for the specimen
- The (G-E) diagram obtained in the tensile test performed on a metal sample with a diameter of 16 mm is as follows. The loads at points A, B and C and the elongation measured on l. 16 cm gauge length were determined as follows: B A B C Load (kgf) 4800 8400 7200 Elongation (mm) 0.192 28.8 38.4 a) Calculate the proportionality limit, modulus of elasticity, tensile strength, maximum uniform elongation, and contraction-elongation ratio of the metal. b) Since the measured diameter of the metal at break is 12 mm, find the constriction ratio and the actual stress at break.Please present FBD/s A tensile test is performed on a brass specimen 10mm in diameter using a gage lenght of 50mm. When the tensile load P reaches a valule of 20kN, the distance between the gage marks has increased by 0.122mm. What is the modulus of elasticitiy of the brass?A drill rod with a diameter of 1/2 in. is made of high-strength steel alloy with a shear modulus of 11.6 * 106 psi. The rod is to be subjected to a torque T.What is the minimum required length L of the rod so that the cross section at one end can be rotated 60° with respect to the other end without exceeding an allowable shear stress of 45 * 103 psi?
- A tensile test is carried out on a steel rod of 14mm radius and gauge length of 140 mm. The yield strength ofthe steel (fy) is 500 MPa. At the tension load of 50KN, calculate stress and strain in the steel rod, taking Young’smodulus (E) as 200,000 MPa. Find out if the steel rod is in elastic region or has already yielded. Compute also forthe shear modulus of Elasticity.In a standard tensile test, an aluminum rod of 20-mm diameter is subjected to a tension force of P- 30 kN. Knowing that E- 70 GPa, and the change in diameter of the rod- 0.00955 mm, determine the poissons' ratio v. 20n diateter gage length-150 0.33 O 0.6 0.29 O 0.35A test piece is cut from a brass bar and subjected to a tensile test. With a load of 6.4 kN the test piece, ofdiameter 11.28 mm, extends by 0.04 mm over a gauge length of 50 mm. Determine:(i) the stress, (ii) the strain, (iii) the modulus of elasticity.(b) A spacer is turned from the same bar. The spacer has a diameter of 28 mm and a length of 250 mm, bothmeasurements being made at 20~ The temperature of the spacer is then increased to 100~ the natural expansionbeing entirely prevented. Taking the coefficient of linear expansion to be 18 x 10-6/~ determine:(i) the stress in the spacer, (ii) the compressive load on the spacer.rC.G.] [64 MN/m 2, 0.0008, 80 GN/m 2, 115.2 MN/m 2, 71 kN.] Could you please answer the parts after the first three? If you use * could you please explain what you mean by it! Thank You :)