What is the proportional limit? O None of these answers O 37,540 psi O 30,000 psi

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M2
Given the stress-strain graph and data table shown below:
Stress Strain Curve
stress (psi)
strain(in/in)
20,000
7.00
30,000
E6.400
0.0004
0.0015
0 0018
50,000
0,000
a002
40,000
37.540
39.500
630
0.0029
30.000
6.005
o 0078
0013
20.000
51.800
47,100
42, K00
0.0189
0021
0.023
001
0.015
002
002
Strain (in/in)
What is the proportional limit?
O None of these answers
O 37.540 psi
O 30,000 psi
O 40.000 psi
O 36.400 psi
Stress (psi)
Transcribed Image Text:Given the stress-strain graph and data table shown below: Stress Strain Curve stress (psi) strain(in/in) 20,000 7.00 30,000 E6.400 0.0004 0.0015 0 0018 50,000 0,000 a002 40,000 37.540 39.500 630 0.0029 30.000 6.005 o 0078 0013 20.000 51.800 47,100 42, K00 0.0189 0021 0.023 001 0.015 002 002 Strain (in/in) What is the proportional limit? O None of these answers O 37.540 psi O 30,000 psi O 40.000 psi O 36.400 psi Stress (psi)
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