Purdue Schoolof Engineering and Technology 1UPUI
Department of Mechanical Engineering
ME 550 Advanced Stress Analysis Spring 2020
EXAM #2
April 8, 2020
Name:
Question Points Score
| 20
2 10
3 15
4 15
total 60
This exam is administered under the University’s Academic Code of Honor. All work
submitted must be your own.
, ME 550 EXAM #2 Name:
1. (20 points) For an ASTM A-48 cast iron, find the factor of safety for the following
states of plane stress using the brittle Coulomb-Mohr and modified Mohr theories. The
material properties are found in Table D.1 in the back of your textbook
- .
a) 0: = -80 MPa, 65 = 60 MPa, 7, = -80 MPa G = 1?0
b) ox = -80 MPa, 63 = -100 MPa, 7, = -80 MPa G = (LSO s
o Fird principal ghrestes “LQ\"& it Loanake metod
Gpzqd Gg = —1b.3
L we
+eod
gheesses u-s.'ra e Lovonte
Gp - G Gg=-MP0é
Department of Mechanical Engineering
ME 550 Advanced Stress Analysis Spring 2020
EXAM #2
April 8, 2020
Name:
Question Points Score
| 20
2 10
3 15
4 15
total 60
This exam is administered under the University’s Academic Code of Honor. All work
submitted must be your own.
, ME 550 EXAM #2 Name:
1. (20 points) For an ASTM A-48 cast iron, find the factor of safety for the following
states of plane stress using the brittle Coulomb-Mohr and modified Mohr theories. The
material properties are found in Table D.1 in the back of your textbook
- .
a) 0: = -80 MPa, 65 = 60 MPa, 7, = -80 MPa G = 1?0
b) ox = -80 MPa, 63 = -100 MPa, 7, = -80 MPa G = (LSO s
o Fird principal ghrestes “LQ\"& it Loanake metod
Gpzqd Gg = —1b.3
L we
+eod
gheesses u-s.'ra e Lovonte
Gp - G Gg=-MP0é
