Question-5 The following engineering stress-strain data were obtained from the tensile test for a 0.2% plain carbon steel. (a) Plot the engineering stress-strain curve for these data. (b) Determine the 0.2 percent offset yield stress for this steel. (c) Determine the tensile elastic modulus of this steel. (d) Determine the ultimate tensile strength of the alloy. (e) Determine the percent elongation at fracture. Engineering stress (ksi) 0 30 55 60 68 72 74 75 Engineering strain (in./in.) 0 0.001 0.002 0.005 0.01 0.02 0.04 0.06 Engineering stress (ksi) 76 75 73 69 65 56 51 Engineering strain (in./in.) 0.08 0.10 0.12 0.14 0.16 0.18 (Fracture) 0.19
Question-5 The following engineering stress-strain data were obtained from the tensile test for a 0.2% plain carbon steel. (a) Plot the engineering stress-strain curve for these data. (b) Determine the 0.2 percent offset yield stress for this steel. (c) Determine the tensile elastic modulus of this steel. (d) Determine the ultimate tensile strength of the alloy. (e) Determine the percent elongation at fracture. Engineering stress (ksi) 0 30 55 60 68 72 74 75 Engineering strain (in./in.) 0 0.001 0.002 0.005 0.01 0.02 0.04 0.06 Engineering stress (ksi) 76 75 73 69 65 56 51 Engineering strain (in./in.) 0.08 0.10 0.12 0.14 0.16 0.18 (Fracture) 0.19
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Please solve Q5 part d & e
Transcribed Image Text:Question-5
The following engineering stress-strain data were obtained from the tensile test for a 0.2% plain carbon steel.
(a) Plot the engineering stress-strain curve for these data.
(b) Determine the 0.2 percent offset yield stress for this steel.
(c) Determine the tensile elastic modulus of this steel.
(d) Determine the ultimate tensile strength of the alloy.
(e) Determine the percent elongation at fracture.
Engineering
stress (ksi)
0
30
55
60
68
72
74
75
Engineering
strain (in./in.)
0
0.001
0.002
0.005
0.01
0.02
0.04
0.06
Engineering
stress (ksi)
76
75
73
69
65
56
51
Engineering
strain (in./in.)
0.08
0.10
0.12
0.14
0.16
0.18
(Fracture) 0.19
Question-6
A 20-cm-long rod with a diameter of 0.250 cm is loaded with a 5000 N weight. If the diameter decreases to
0.210 cm, determine (a) the engineering stress and strain at this load and (b) the true stress and strain at this
load.
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