Q2 :A specimen of ductile cast iron having a rectangular cross sectionof dimensions 4.8 mm * 15.9 mm (3/16 in. 5/8 in.) is deformed intension. Using the load-elongation data tabulated below, completeproblems (a) through (f).LoadLengthIbin.75.0002.9532.9544,7401,0652,0552,9003,72075.0259,14075.0502.95512,92075.0752.95616,54075.1132.95718,30075.1504.1104,5305,1452.95920,17075.2252.96222,90075.3752.96825,0705,63575.5252.97326,8006,02575.7502.98228,64030,24031,10076.50078.00079.5006,4403.0123.0716,8007,0007,0306,9303.13031,28081.0003.18930,82082.5003.24884.0003.30729,18027,1906,5606,11085.50087.00088.725Freeture3.3663.4255,4304,26524,14018,9703.493a) Plot the data as engineering stress versus engineering strain.b) Compute the modulus of elasticity.c) Determine the yield strength at a strain offset of 0.002.d) Determine the tensile strength of this alloy.e) Compute the modulus of resilience.f) What is the ductility, in percent elongation?

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Q2 :A specimen of ductile cast iron having a rectangular cross section of dimensions 4.8 mm 15.9 mm (3/16 in. 5/8 in.) is deformed in tension. Using the load-elongation data tabulated below, complete problems (a) through (f). Load Length in 2.953 75.000 4,740 9,140 12,920 16,540 75.025 1,065 2,055 2,900 2.954 75,050 2.955 75.075 2.956 3,720 75.113 2.957 18,300 4,110 75.150 2.959 20,170 75.225 75.375 4,530 2.962 22,900 2.968 5,145 5,635 6,025 25,070 75.525 2.973 75.750 2.982 26,800 28,640 6,440 76.500 3.012 78.000 3.071 30,240 31,100 31,280 6,800 7,000 7,030 6,930 79.500 3.130 81.000 82.500 3.189 3.248 3.307 30,820 84.000 85.500 29,180 6,560 6,110 5,430 4,265 Fracture 27,190 3.366 24,140 87.000 3.425 18,970 88.725 3.493 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002. d) Determine the tensile strength of this alloy. e) Compute the modulus of resilience. f) What is the ductility, in percent elongation?

Q2 :A specimen of ductile cast iron having a rectangular cross section of dimensions 4.8 mm 15.9 mm (3/16 in. 5/8 in.) is deformed in tension. Using the load-elongation data tabulated below, complete problems (a) through (f). Load Length in 2.953 75.000 4,740 9,140 12,920 16,540 75.025 1,065 2,055 2,900 2.954 75,050 2.955 75.075 2.956 3,720 75.113 2.957 18,300 4,110 75.150 2.959 20,170 75.225 75.375 4,530 2.962 22,900 2.968 5,145 5,635 6,025 25,070 75.525 2.973 75.750 2.982 26,800 28,640 6,440 76.500 3.012 78.000 3.071 30,240 31,100 31,280 6,800 7,000 7,030 6,930 79.500 3.130 81.000 82.500 3.189 3.248 3.307 30,820 84.000 85.500 29,180 6,560 6,110 5,430 4,265 Fracture 27,190 3.366 24,140 87.000 3.425 18,970 88.725 3.493 a) Plot the data as engineering stress versus engineering strain. b) Compute the modulus of elasticity. c) Determine the yield strength at a strain offset of 0.002. d) Determine the tensile strength of this alloy. e) Compute the modulus of resilience. f) What is the ductility, in percent elongation?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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4. A cylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The load- elongation characteristics are tabulated below as follows: Load (N) Length (mm) 0 12,700 25,400 38,100 50,800 76,200 89,100 92,700 102,500 107,800 119,400 128,300 149,700 159,000 160,400 159,500 151,500 124,700 Fracture 50.800 50.825 50.851 50.876 50.902 50.952 51.003 51.054 51.181 51.308 51.562 51.816 52.832 53.848 54.356 54.864 55.880 56.642 (a) Plot the data as engineering stress versus engineering strain. (b) Compute the modulus of elasticity. (c) Determine the yield strength at a strain offset of 0.002. (d) Determine the tensile strength of this alloy.
Specimen (Rebar) Original Length Length when it was clamped Diameter (mm) Internal Diameter (mm) External 1 300 mm 163mm 10 15.030 2 300 mm 180 mm 10.020 14.386 3 300 mm 197mm 9.40 15.028 Dimension of Specimen Specimen A0 P max Tensile strength Modulus of elasaticity Percent Elongation 1 474 N 179.381 2.776 MPa 19.76 MPa 13.4% 2 475 N 159.070 2.895 MPa 18.74 MPa 16.67% 3 485 N 179.381 2.706 MPa 20.058 Mpa 13.4% Result of testing Observation What is the possible discussion of these tablesP.S THIS IS NOT GRADED, ITS JUST EXAMPLES
Following experimental data are obtained from tensile test of a rectangular test specimen with original thickness of 2,5 mm, gauge width of 24 mm and gauge length of 101 mm: Load (N) Elongation (mm) 0 0 24372 0,183 23008 0,315 28357 5,777 35517 12,315 27555 17,978 23750 23,865 Based on the information above; draw stress-strain diagram of the material and answer the following questions. Question 1 ;Determine the elastic energy absorption capacity (in N.mm) of that specimen. Question 2; Determine the plastic energy absorption capacity (in N.mm) of that specimen.
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The data illustrated below have been determined while the tension test of the stainless steel sample by amateur engineers. The gage length of the stainless steel sample was 50.8 mm (2.0in.) and, the original diameter of the steel sample was 12.8 mm (0.505in.). Load (Ib) Elongation (in.) Load (Ib) Elongation (in.) 14000 0.020 2 310 0.0022 14400 0.025 4 640 0.0044 14 500 0.060 6950 0.0066 14600 0.080 9 290 0.0088 14800 0.100 11 600 0.0110 14 600 0.120 13000 0.0150 13600 Fracture With the help of Excel, plot the stress-strain diagram for this test conducted, and define the following mechanical properties: a) Young modulus; b) Proportional limit; c) Yield stress @0.2% offset; d) ultimate stress; e) nominal rupture stress.
Recording Help Stress (MPa) 600 500- 400- 300 200 100- 0 0.00 Tell me what you Exercise 2 Stress (MPa) 0.04 500 400 300 200- 100 0.000 0.002 0.004 0.006 Strain 0.08 Strain 0.12 0.16 0.20 Consider a cylindrical specimen of a steel alloy 10.0 mm in tension. Determine, its elongation when a load of 20,000 N is applied.
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 meas- ured) of 4 inches. The data were plotted on a load-displacement graph, P vs. AL. A best-fit line was drawn through the points, and the slope of the straight-line portion was calculated to be P/AL = 1392 kips/in. What is the modulus of elasticity? BI
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Question Following experimental data are obtained from tensile test of a rectangular test specimen with original thickness of 2,5 mm, gauge width of 24 mm and gauge length of 101 mm: Load (N) Elongation (mm) 0 0 24372 0,183 23008 0,315 28357 5,777 35517 12,315 27555 17,978 23750 23,865 Based on the information above; draw stress-strain diagram of the material and answer the following questions. - Calculate the yield strength (in MPa) of the material. - Calculate the percent elongation of the specimen at yield point. (Use at least five decimal units) - Calculate the stiffness (in MPa) of the specimen material. - Calculate the ultimate strength (in MPa) of the material. - Calculate the percent elongation of the specimen at point of ultimate strength.
An eight-inch-long steel has a cross section area of 0.25 in2. After a load of 5000 lbs has been applied, the length is found to be 8.0065 in. What is the unit deformation induced? Select one: a. 0.00081 b. 0.00041 c. 0.0081 d. 0.004