a. Assuming the computer and the printer are turned on, what will be the next step to do when trying to perform a test? b. What part of the UTM will you use to remove the tensile test specimen from the grips? c. In what direction does the lower crosshead move during a tensile test? d. In what direction does the lower crosshead move during a compression test? e. In what direction does the lower crosshead move during a bending test?

a. Assuming the computer and the printer are turned on, what will be the next step to do when trying to perform a test? b. What part of the UTM will you use to remove the tensile test specimen from the grips? c. In what direction does the lower crosshead move during a tensile test? d. In what direction does the lower crosshead move during a compression test? e. In what direction does the lower crosshead move during a bending test?

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter1: Introduction

Section: Chapter Questions

Problem 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...

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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.
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 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.
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 data 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 y∆L 5 1392 kips yin. What is the modulus of elasticity?
A tensile test was performed on a metal specimen having a circular cross section with a diameter of 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 1.1.a. Prepare a table of stress and strainb. 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 lineLoad (Ib)Strain × 106 (in./in.)0025037.150070.31000129.11500230.12000259.42500372.43000457.73500586.5
The data shown in the table were obtained from a tensile test of a metal specimen with a rectangular cross-section of 0.2 in.? in area and a gage length (the length over which the elongation is measured) of 2.000 inches. 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 tension test is being conducted on a steel-rod specimen with a gauge length of L0=2 in and initial diameter of d0=0.5 in. Data were collected to form the conventional stress-strain diagram as shown. From the diagram, f = 74.0 ksi, e = 104.0 ksi , g = 85.0 ksi , and h = 0.15 in/in. Assuming that the strain remains constant throughout the region between the gauge points, determine the nominal strain ε experienced by the rod if it is elongated to L = 2.7 in . Assuming that the stress is constant over the cross-sectional area and if the tension force used is P = 11.0 kips, find the nominal stress experienced by the rod. Determine the force P needed to reach the ultimate stress in the steel-rod specimen.
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) A tension test was carried out for a specimen having 610 mm in length and an average diameter of 12.80 mm. The test was conducted until the specimen failed. The data record from a tensile test for the specimen is given in Table 1. A 50 mm gauge length was marked on the specimen before load applied.Referring to the data in Table 1;i) Plot a stress-strain diagram by using a scale of 1:0.02 mm/mm for the x-axis and 1:40 MPa for the y-axis. Redraw the elastic region by using a strain scale of 1:0.004 min/mm.ii) Determine the approximate modulus of elasticity, ultimate stress, and the yield strength of this material at 0.20% offset.iii) Calculate the modulus of toughness.iv) Calculate the final length of the specimen, if the specimen elongated about 26.78%.v) Calculate the percentage of reduction of area and the final diameter at breakage, if the cross-section area decreases to 105.13 mm2
A results below were recorded during tensile test for a steel specimen to be used to manufacture water reticulation steel pipes. The diameter of the specimen measured by an electronic vernier was found to be 0.597cm. Other measurements noted were the gauge length of 5.010cm,elongation 0.0635mm at load of 7.11kn, 7.33kn load at the yield point and 8.15kn load at the point of failure. The reduction of the cross-sectional at failure is estimated to be 35.06%. Calculate the yield stress in N/mm^2
The tensile test of a specimen of rebar conducted by students in the Construction Materials and Testing course showed an increase in length of 0.173 mm within the gage length was recorded at a load of 22.24 kN. The specimen diameter was 12.70 mm and the gage length was 200 mm. (The gage length is the distance between two marks placed along the length of the specimen.) Based on this one data point, what is the modulus of elasticity? If the maximum load reached before fracture was 65.40 kN, what is the ultimate tensile stress?
Consider a bar with a rectangular cross-section area with a thickness of t = 0.5 in. and height of h = 3.5 in. When force P = 19 kips is applied to the bar, the strain gages attached to the surface of the bar reads εx = 740 µε along the direction of the force and εy = -170 µε in the perpendicular direction. Determine Poisson's ratio for this specimen? Determine the modulus of elasticity for this specimen?in Ksi